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2020-07-24xen-netfront: fix potential deadlock in xennet_remove()Andrea Righi1-22/+42
There's a potential race in xennet_remove(); this is what the driver is doing upon unregistering a network device: 1. state = read bus state 2. if state is not "Closed": 3. request to set state to "Closing" 4. wait for state to be set to "Closing" 5. request to set state to "Closed" 6. wait for state to be set to "Closed" If the state changes to "Closed" immediately after step 1 we are stuck forever in step 4, because the state will never go back from "Closed" to "Closing". Make sure to check also for state == "Closed" in step 4 to prevent the deadlock. Also add a 5 sec timeout any time we wait for the bus state to change, to avoid getting stuck forever in wait_event(). Signed-off-by: Andrea Righi <andrea.righi@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-23geneve: fix an uninitialized value in geneve_changelink()Cong Wang1-1/+1
geneve_nl2info() sets 'df' conditionally, so we have to initialize it by copying the value from existing geneve device in geneve_changelink(). Fixes: 56c09de347e4 ("geneve: allow changing DF behavior after creation") Reported-by: syzbot+7ebc2e088af5e4c0c9fa@syzkaller.appspotmail.com Cc: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Reviewed-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-23bonding: check return value of register_netdevice() in bond_newlink()Cong Wang1-2/+1
Very similar to commit 544f287b8495 ("bonding: check error value of register_netdevice() immediately"), we should immediately check the return value of register_netdevice() before doing anything else. Fixes: 005db31d5f5f ("bonding: set carrier off for devices created through netlink") Reported-and-tested-by: syzbot+bbc3a11c4da63c1b74d6@syzkaller.appspotmail.com Cc: Beniamino Galvani <bgalvani@redhat.com> Cc: Taehee Yoo <ap420073@gmail.com> Cc: Jay Vosburgh <j.vosburgh@gmail.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-22cxgb4: add missing release on skb in uld_send()Navid Emamdoost1-0/+1
In the implementation of uld_send(), the skb is consumed on all execution paths except one. Release skb when returning NET_XMIT_DROP. Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-22net: atlantic: fix PTP on AQC10XEgor Pomozov1-1/+6
This patch fixes PTP on AQC10X. PTP support on AQC10X requires FW involvement and FW configures the TPS data arb mode itself. So we must make sure driver doesn't touch TPS data arb mode on AQC10x if PTP is enabled. Otherwise, there are no timestamps even though packets are flowing. Fixes: 2deac71ac492a ("net: atlantic: QoS implementation: min_rate") Signed-off-by: Egor Pomozov <epomozov@marvell.com> Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com> Signed-off-by: Igor Russkikh <irusskikh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-22enetc: Remove the mdio bus on PF probe bailoutClaudiu Manoil1-0/+1
For ENETC ports that register an external MDIO bus, the bus doesn't get removed on the error bailout path of enetc_pf_probe(). This issue became much more visible after recent: commit 07095c025ac2 ("net: enetc: Use DT protocol information to set up the ports") Before this commit, one could make probing fail on the error path only by having register_netdev() fail, which is unlikely. But after this commit, because it moved the enetc_of_phy_get() call up in the probing sequence, now we can trigger an mdiobus_free() bug just by forcing enetc_alloc_msix() to return error, i.e. with the 'pci=nomsi' kernel bootarg (since ENETC relies on MSI support to work), as the calltrace below shows: kernel BUG at /home/eiz/work/enetc/net/drivers/net/phy/mdio_bus.c:648! Internal error: Oops - BUG: 0 [#1] PREEMPT SMP [...] Hardware name: LS1028A RDB Board (DT) pstate: 80000005 (Nzcv daif -PAN -UAO BTYPE=--) pc : mdiobus_free+0x50/0x58 lr : devm_mdiobus_free+0x14/0x20 [...] Call trace: mdiobus_free+0x50/0x58 devm_mdiobus_free+0x14/0x20 release_nodes+0x138/0x228 devres_release_all+0x38/0x60 really_probe+0x1c8/0x368 driver_probe_device+0x5c/0xc0 device_driver_attach+0x74/0x80 __driver_attach+0x8c/0xd8 bus_for_each_dev+0x7c/0xd8 driver_attach+0x24/0x30 bus_add_driver+0x154/0x200 driver_register+0x64/0x120 __pci_register_driver+0x44/0x50 enetc_pf_driver_init+0x24/0x30 do_one_initcall+0x60/0x1c0 kernel_init_freeable+0x1fc/0x274 kernel_init+0x14/0x110 ret_from_fork+0x10/0x34 Fixes: ebfcb23d62ab ("enetc: Add ENETC PF level external MDIO support") Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21net: ethernet: ti: add NETIF_F_HW_TC hw feature flag for taprio offloadMurali Karicheri1-1/+2
Currently drive supports taprio offload which is a tc feature offloaded to cpsw hardware. So driver has to set the hw feature flag, NETIF_F_HW_TC in the net device to be compliant. This patch adds the flag. Fixes: 8127224c2708 ("ethernet: ti: am65-cpsw-qos: add TAPRIO offload support") Signed-off-by: Murali Karicheri <m-karicheri2@ti.com> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21net: ethernet: ave: Fix error returns in ave_initWang Hai1-1/+1
When regmap_update_bits failed in ave_init(), calls of the functions reset_control_assert() and clk_disable_unprepare() were missed. Add goto out_reset_assert to do this. Fixes: 57878f2f4697 ("net: ethernet: ave: add support for phy-mode setting of system controller") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wang Hai <wanghai38@huawei.com> Reviewed-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21drivers/net/wan/x25_asy: Fix to make it workXie He1-7/+14
This driver is not working because of problems of its receiving code. This patch fixes it to make it work. When the driver receives an LAPB frame, it should first pass the frame to the LAPB module to process. After processing, the LAPB module passes the data (the packet) back to the driver, the driver should then add a one-byte pseudo header and pass the data to upper layers. The changes to the "x25_asy_bump" function and the "x25_asy_data_indication" function are to correctly implement this procedure. Also, the "x25_asy_unesc" function ignores any frame that is shorter than 3 bytes. However the shortest frames are 2-byte long. So we need to change it to allow 2-byte frames to pass. Cc: Eric Dumazet <edumazet@google.com> Cc: Martin Schiller <ms@dev.tdt.de> Signed-off-by: Xie He <xie.he.0141@gmail.com> Reviewed-by: Martin Schiller <ms@dev.tdt.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21qed: suppress false-positives interrupt error messages on HW initAlexander Lobakin3-24/+32
It was found that qed_pglueb_rbc_attn_handler() can produce a lot of false-positive error detections on driver load/reload (especially after crashes/recoveries) and spam the kernel log: [ 4.958275] [qed_pglueb_rbc_attn_handler:324()]ICPL error - 00d00ff0 [ 2079.146764] [qed_pglueb_rbc_attn_handler:324()]ICPL error - 00d80ff0 [ 2116.374631] [qed_pglueb_rbc_attn_handler:324()]ICPL error - 00d80ff0 [ 2135.250564] [qed_pglueb_rbc_attn_handler:324()]ICPL error - 00d80ff0 [...] Reduce the logging level of two false-positive prone error messages from notice to verbose on initialization (only) to not mix it with real error attentions while debugging. Fixes: 666db4862f2d ("qed: Revise load sequence to avoid PCI errors") Signed-off-by: Alexander Lobakin <alobakin@marvell.com> Signed-off-by: Igor Russkikh <irusskikh@marvell.com> Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21qed: suppress "don't support RoCE & iWARP" flooding on HW initAlexander Lobakin1-2/+2
Change the verbosity of the "don't support RoCE & iWARP simultaneously" warning to debug level to stop flooding on driver/hardware initialization: [ 4.783230] qede 01:00.00: Storm FW 8.37.7.0, Management FW 8.52.9.0 [MBI 15.10.6] [eth0] [ 4.810020] [qed_rdma_set_pf_params:2076()]Current day drivers don't support RoCE & iWARP simultaneously on the same PF. Default to RoCE-only [ 4.861186] qede 01:00.01: Storm FW 8.37.7.0, Management FW 8.52.9.0 [MBI 15.10.6] [eth1] [ 4.893311] [qed_rdma_set_pf_params:2076()]Current day drivers don't support RoCE & iWARP simultaneously on the same PF. Default to RoCE-only [ 5.181713] qede a1:00.00: Storm FW 8.37.7.0, Management FW 8.52.9.0 [MBI 15.10.6] [eth2] [ 5.224740] [qed_rdma_set_pf_params:2076()]Current day drivers don't support RoCE & iWARP simultaneously on the same PF. Default to RoCE-only [ 5.276449] qede a1:00.01: Storm FW 8.37.7.0, Management FW 8.52.9.0 [MBI 15.10.6] [eth3] [ 5.318671] [qed_rdma_set_pf_params:2076()]Current day drivers don't support RoCE & iWARP simultaneously on the same PF. Default to RoCE-only [ 5.369548] qede a1:00.02: Storm FW 8.37.7.0, Management FW 8.52.9.0 [MBI 15.10.6] [eth4] [ 5.411645] [qed_rdma_set_pf_params:2076()]Current day drivers don't support RoCE & iWARP simultaneously on the same PF. Default to RoCE-only Fixes: e0a8f9de16fc ("qed: Add iWARP enablement support") Signed-off-by: Alexander Lobakin <alobakin@marvell.com> Signed-off-by: Igor Russkikh <irusskikh@marvell.com> Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21netdevsim: fix unbalaced locking in nsim_create()Taehee Yoo1-2/+2
In the nsim_create(), rtnl_lock() is called before nsim_bpf_init(). If nsim_bpf_init() is failed, rtnl_unlock() should be called, but it isn't called. So, unbalanced locking would occur. Fixes: e05b2d141fef ("netdevsim: move netdev creation/destruction to dev probe") Signed-off-by: Taehee Yoo <ap420073@gmail.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21net: dsa: microchip: call phy_remove_link_mode during probeHelmut Grohne3-23/+23
When doing "ip link set dev ... up" for a ksz9477 backed link, ksz9477_phy_setup is called and it calls phy_remove_link_mode to remove 1000baseT HDX. During phy_remove_link_mode, phy_advertise_supported is called. Doing so reverts any previous change to advertised link modes e.g. using a udevd .link file. phy_remove_link_mode is not meant to be used while opening a link and should be called during phy probe when the link is not yet available to userspace. Therefore move the phy_remove_link_mode calls into ksz9477_switch_register. It indirectly calls dsa_register_switch, which creates the relevant struct phy_devices and we update the link modes right after that. At that time dev->features is already initialized by ksz9477_switch_detect. Remove phy_setup from ksz_dev_ops as no users remain. Link: https://lore.kernel.org/netdev/20200715192722.GD1256692@lunn.ch/ Fixes: 42fc6a4c613019 ("net: dsa: microchip: prepare PHY for proper advertisement") Signed-off-by: Helmut Grohne <helmut.grohne@intenta.de> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21net: hns3: fix return value error when query MAC link status failJian Shen2-27/+25
Currently, PF queries the MAC link status per second by calling function hclge_get_mac_link_status(). It return the error code when failed to send cmdq command to firmware. It's incorrect, because this return value is used as the MAC link status, which 0 means link down, and none-zero means link up. So fixes it. Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support") Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: Huazhong tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21net: hns3: fix error handling for desc fillingYunsheng Lin2-0/+9
The content of the TX desc is automatically cleared by the HW when the HW has sent out the packet to the wire. When desc filling fails in hns3_nic_net_xmit(), it will call hns3_clear_desc() to do the error handling, which miss zeroing of the TX desc and the checking if a unmapping is needed. So add the zeroing and checking in hns3_clear_desc() to avoid the above problem. Also add DESC_TYPE_UNKNOWN to indicate the info in desc_cb is not valid, because hns3_nic_reclaim_desc() may treat the desc_cb->type of zero as packet and add to the sent pkt statistics accordingly. Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC") Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21net: hns3: fix for not calculating TX BD send size correctlyYunsheng Lin2-3/+1
With GRO and fraglist support, the SKB can be aggregated to a total size of 65535, and when that SKB is forwarded through a bridge, the size of the SKB may be pushed to exceed the size of 65535 when br_dev_queue_push_xmit() is called. The max send size of BD supported by the HW is 65535, when a SKB with a headlen of over 65535 is sent to the driver, the driver needs to use multi BD to send the linear data, and the send size of the last BD is calculated incorrectly by the driver who is using '&' operation, which causes a TX error. Use '%' operation to fix this problem. Fixes: 3fe13ed95dd3 ("net: hns3: avoid mult + div op in critical data path") Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21net: hns3: fix for not unmapping TX buffer correctlyYunsheng Lin1-11/+3
When a big TX buffer is sent using multi BD, the driver maps the whole TX buffer, and unmaps it using info in desc_cb corresponding to each BD, but only the info in the desc_cb of first BD is correct, other info in desc_cb is wrong, which causes TX unmapping problem when SMMU is on. Only set the mapping and freeing info in the desc_cb of first BD to fix this problem, because the TX buffer only need to be unmapped and freed once. Fixes: 1e8a7977d09f("net: hns3: add handling for big TX fragment") Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Huzhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-21net: ethernet: ravb: exit if re-initialization fails in tx timeoutYoshihiro Shimoda1-2/+24
According to the report of [1], this driver is possible to cause the following error in ravb_tx_timeout_work(). ravb e6800000.ethernet ethernet: failed to switch device to config mode This error means that the hardware could not change the state from "Operation" to "Configuration" while some tx and/or rx queue are operating. After that, ravb_config() in ravb_dmac_init() will fail, and then any descriptors will be not allocaled anymore so that NULL pointer dereference happens after that on ravb_start_xmit(). To fix the issue, the ravb_tx_timeout_work() should check the return values of ravb_stop_dma() and ravb_dmac_init(). If ravb_stop_dma() fails, ravb_tx_timeout_work() re-enables TX and RX and just exits. If ravb_dmac_init() fails, just exits. [1] https://lore.kernel.org/linux-renesas-soc/20200518045452.2390-1-dirk.behme@de.bosch.com/ Reported-by: Dirk Behme <dirk.behme@de.bosch.com> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Reviewed-by: Sergei Shtylyov <sergei.shtylyov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-20net: neterion: vxge: reduce stack usage in VXGE_COMPLETE_VPATH_TXBixuan Cui1-1/+1
Fix the warning: [-Werror=-Wframe-larger-than=] drivers/net/ethernet/neterion/vxge/vxge-main.c: In function'VXGE_COMPLETE_VPATH_TX.isra.37': drivers/net/ethernet/neterion/vxge/vxge-main.c:119:1: warning: the frame size of 1056 bytes is larger than 1024 bytes Dropping the NR_SKB_COMPLETED to 16 is appropriate that won't have much impact on performance and functionality. Signed-off-by: Bixuan Cui <cuibixuan@huawei.com> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-20net: ag71xx: add missed clk_disable_unprepare in error path of probeHuang Guobin1-1/+2
The ag71xx_mdio_probe() forgets to call clk_disable_unprepare() when of_reset_control_get_exclusive() failed. Add the missed call to fix it. Fixes: d51b6ce441d3 ("net: ethernet: add ag71xx driver") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Huang Guobin <huangguobin4@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-20ionic: use mutex to protect queue operationsShannon Nelson3-25/+17
The ionic_wait_on_bit_lock() was a open-coded mutex knock-off used only for protecting the queue reset operations, and there was no reason not to use the real thing. We can use the lock more correctly and to better protect the queue stop and start operations from cross threading. We can also remove a useless and expensive bit operation from the Rx path. This fixes a case found where the link_status_check from a link flap could run into an MTU change and cause a crash. Fixes: beead698b173 ("ionic: Add the basic NDO callbacks for netdev support") Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-20ionic: keep rss hash after fw updateShannon Nelson1-3/+2
Make sure the RSS hash key is kept across a fw update by not de-initing it when an update is happening. Fixes: c672412f6172 ("ionic: remove lifs on fw reset") Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-20ionic: update filter id after replayShannon Nelson1-0/+24
When we replay the rx filters after a fw-upgrade we get new filter_id values from the FW, which we need to save and update in our local filter list. This allows us to delete the filters with the correct filter_id when we're done. Fixes: 7e4d47596b68 ("ionic: replay filters after fw upgrade") Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-20ionic: fix up filter locks and debug msgsShannon Nelson2-10/+12
Add in a couple of forgotten spinlocks and fix up some of the debug messages around filter management. Fixes: c1e329ebec8d ("ionic: Add management of rx filters") Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-20ionic: use offset for ethtool regs dataShannon Nelson1-2/+5
Use an offset to write the second half of the regs data into the second half of the buffer instead of overwriting the first half. Fixes: 4d03e00a2140 ("ionic: Add initial ethtool support") Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-20mlxsw: destroy workqueue when trap_register in mlxsw_emad_initLiu Jian1-1/+2
When mlxsw_core_trap_register fails in mlxsw_emad_init, destroy_workqueue() shouled be called to destroy mlxsw_core->emad_wq. Fixes: d965465b60ba ("mlxsw: core: Fix possible deadlock") Signed-off-by: Liu Jian <liujian56@huawei.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-20dpaa_eth: Fix one possible memleak in dpaa_eth_probeLiu Jian1-1/+1
When dma_coerce_mask_and_coherent() fails, the alloced netdev need to be freed. Fixes: 060ad66f9795 ("dpaa_eth: change DMA device") Signed-off-by: Liu Jian <liujian56@huawei.com> Acked-by: Madalin Bucur <madalin.bucur@oss.nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-20Merge tag 'ieee802154-for-davem-2020-07-20' of ↵David S. Miller1-2/+4
git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan Stefan Schmidt says: ==================== pull-request: ieee802154 for net 2020-07-20 An update from ieee802154 for your *net* tree. A potential memory leak fix for adf7242 from Liu Jian, and one more HTTPS link change from Alexander A. Klimov. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-20net: bcmgenet: add missed clk_disable_unprepare in bcmgenet_probeZhang Changzhong1-2/+2
The driver forgets to call clk_disable_unprepare() in error path after a success calling for clk_prepare_enable(). Fix to goto err_clk_disable if clk_prepare_enable() is successful. Fixes: c80d36ff63a5 ("net: bcmgenet: Use devm_clk_get_optional() to get the clocks") Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com> Acked-by: Doug Berger <opendmb@gmail.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-20net: bcmgenet: fix error returns in bcmgenet_probe()Zhang Changzhong1-1/+1
The driver forgets to call clk_disable_unprepare() in error path after a success calling for clk_prepare_enable(). Fix to goto err_clk_disable if clk_prepare_enable() is successful. Fixes: 99d55638d4b0 ("net: bcmgenet: enable NETIF_F_HIGHDMA flag") Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com> Acked-by: Doug Berger <opendmb@gmail.com> Acked-by: Florian fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-20ath10k: Fix NULL pointer dereference in AHB device probeHauke Mehrtens2-42/+38
This fixes a NULL pointer dereference in the probe path for AHB devices. There attr parameter in the ath10k_ce_alloc_pipe() function is not initialized, but accessed. This function is called by ath10k_pci_setup_resource() which is called by ath10k_ahb_probe(). The struct ath10k_pci is also used for AHB devices and not only for PCI devices. The initialization of the new members of struct ath10k_pci is moved to ath10k_pci_setup_resource() which is used by the PCI and the AHB code. This also fixes a use after free bug in ath10k_pci_remove() when ar_pci is accessed after ath10k_core_destroy() was called, which calls ieee80211_free_hw() and frees this memory. This fixes the following bug seen with backports-5.8-rc2 on OpenWrt on a IPQ4019 device: [ 11.117462] 8<--- cut here --- [ 11.117494] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 11.119510] pgd = f377fd58 [ 11.127657] [00000000] *pgd=8e9a0835, *pte=00000000, *ppte=00000000 [ 11.130206] Internal error: Oops: 17 [#1] SMP ARM [ 11.136339] Modules linked in: ath10k_pci(+) ath10k_core ath xt_state xt_nat xt_conntrack xt_REDIRECT xt_MASQUERADE xt_FLOWOFFLOAD pppox ppp_generic nf_nat nf_flow_table_hw nf_flow_table nf_conntrack_rtcache nf_conntrack mac80211 ipt_REJECT cfg80211 xt_time xt_tcpudp xt_multiport xt_mark xt_mac xt_limit xt_comment xt_TCPMSS xt_LOG slhc nf_reject_ipv4 nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_filter ip_tables crc_ccitt compat nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 leds_gpio xhci_plat_hcd xhci_pci xhci_hcd dwc3 dwc3_qcom gpio_button_hotplug [ 11.174355] CPU: 2 PID: 257 Comm: kmodloader Not tainted 5.4.51 #0 [ 11.196585] Hardware name: Generic DT based system [ 11.202746] PC is at ath10k_ce_alloc_pipe+0x58/0x180 [ath10k_core] [ 11.207459] LR is at ath10k_pci_alloc_pipes+0x94/0xc8 [ath10k_pci] [ 11.213600] pc : [<bf2c96cc>] lr : [<bf2fbf98>] psr: 80000013 [ 11.219760] sp : cea0dc90 ip : cf4001f0 fp : 00000001 [ 11.225923] r10: 00000000 r9 : 00000018 r8 : ce4963b4 [ 11.231133] r7 : 00000000 r6 : ce491ea0 r5 : 00000000 r4 : ce4963b4 [ 11.236342] r3 : 0004a000 r2 : 0004a000 r1 : bf2d0d70 r0 : 00000006 [ 11.242942] Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 11.249452] Control: 10c5387d Table: 8e9c006a DAC: 00000051 [ 11.256656] Process kmodloader (pid: 257, stack limit = 0xaba286ca) [ 11.262386] Stack: (0xcea0dc90 to 0xcea0e000) [ 11.268462] dc80: 00000000 ce49629c ce491ea0 ce4963bc [ 11.272984] dca0: ce495ea0 bf2fbf98 00000002 ce4963a8 ce495ea0 00000000 ce491ea0 cf95d800 [ 11.281142] dcc0: cf95d810 cf95d810 00000001 bf2fc854 00000000 cf95d800 bf300748 ce495ea0 [ 11.289304] dce0: ce491ea0 d1300000 cf95d800 bf2fde8c 00000000 00000001 ce49cea0 00000000 [ 11.297462] dd00: 00000000 00000000 bf3010a0 cf95d810 bf3010a0 c0b61580 00000000 00000000 [ 11.305624] dd20: bf3010a0 0000000b c0b04e48 c06110c8 c0b61588 cf95d810 c0b61580 c060f740 [ 11.313781] dd40: cf95d810 00000000 bf3010a0 00000000 00000000 ce49d2a4 bf301100 c060fc90 [ 11.321943] dd60: 00000000 bf3010a0 cf95d810 c060fcf0 cf95d810 bf3010a0 c060fc98 c060dca4 [ 11.330101] dd80: cf809d58 cf952cb4 bf3010a0 ce967900 c0b1f2c8 c060ec28 bf3007b8 bf301038 [ 11.338263] dda0: bf3010a0 bf3010a0 c0b2d4d4 ffffe000 bf304000 c0610278 c0b04e48 c0b2d4d4 [ 11.346422] ddc0: ffffe000 bf2fe2b4 c0b04e48 bf30403c c0b04e48 c0302764 8040003f 00000001 [ 11.354582] dde0: 38e38e39 ce513580 c0b2cb50 cf801e00 cffbc6ac ce513600 cf801e00 cffbc6ac [ 11.362740] de00: 8040003e ce49d280 00000001 c0428d54 00000001 cf801e00 cffbc6ac ce513580 [ 11.370900] de20: ce49d280 0e391998 bf301100 ce49d340 d12d2000 ce49d280 00000001 c0398c2c [ 11.379061] de40: 00000001 cea0df34 cea0df34 00000001 d12d2000 c039ae48 bf30110c 00007fff [ 11.387221] de60: bf301100 c0398044 cf804028 bf301148 c0397674 bf30126c c08ee5c0 c08ee70c [ 11.395380] de80: bf30110c c0b04e48 c08ee518 00000000 c08ee570 c0b04e48 ce513600 fffff000 [ 11.403540] dea0: 00000001 ce513580 0000000d 0000000d 00000000 00000000 00000000 00000000 [ 11.411698] dec0: 00000000 00000000 6e72656b 00006c65 00000000 00000000 00000000 00000000 [ 11.419858] dee0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 11.428018] df00: 00000000 0e391998 00000000 0000c610 d12de610 00000000 0062c620 ffffe000 [ 11.436180] df20: 000129d1 00000051 00000000 c039b228 00000000 d12d7afd d12d8e80 d12d2000 [ 11.444337] df40: 0000c610 d12de0e8 d12ddfa8 d12dab74 00009000 00009570 00003a2c 00009cae [ 11.452498] df60: 00000000 00000000 00000000 00003a1c 0000001e 0000001f 00000018 00000000 [ 11.460656] df80: 00000010 00000000 00000000 00000000 00000003 00000080 c0301204 cea0c000 [ 11.468817] dfa0: 00000080 c0301000 00000000 00000000 00620010 0000c610 000129d1 00000014 [ 11.476975] dfc0: 00000000 00000000 00000003 00000080 0000c610 00000000 b6fc1d20 00000000 [ 11.485137] dfe0: bef0ad14 bef0acf8 00011e14 b6f74c94 60000010 00620010 00000000 00000000 [ 11.493390] [<bf2c96cc>] (ath10k_ce_alloc_pipe [ath10k_core]) from [<bf2fbf98>] (ath10k_pci_alloc_pipes+0x94/0xc8 [ath10k_pci]) [ 11.501498] [<bf2fbf98>] (ath10k_pci_alloc_pipes [ath10k_pci]) from [<bf2fc854>] (ath10k_pci_setup_resource+0xb8/0xf0 [ath10k_pci]) [ 11.512773] [<bf2fc854>] (ath10k_pci_setup_resource [ath10k_pci]) from [<bf2fde8c>] (ath10k_ahb_probe+0x32c/0x670 [ath10k_pci]) [ 11.524566] [<bf2fde8c>] (ath10k_ahb_probe [ath10k_pci]) from [<c06110c8>] (platform_drv_probe+0x34/0x70) [ 11.536016] [<c06110c8>] (platform_drv_probe) from [<c060f740>] (really_probe+0x1f0/0x358) [ 11.545729] [<c060f740>] (really_probe) from [<c060fc90>] (device_driver_attach+0x58/0x60) [ 11.553886] [<c060fc90>] (device_driver_attach) from [<c060fcf0>] (__driver_attach+0x58/0xcc) [ 11.562134] [<c060fcf0>] (__driver_attach) from [<c060dca4>] (bus_for_each_dev+0x68/0x8c) [ 11.570731] [<c060dca4>] (bus_for_each_dev) from [<c060ec28>] (bus_add_driver+0x1c8/0x1d8) [ 11.578886] [<c060ec28>] (bus_add_driver) from [<c0610278>] (driver_register+0x74/0x108) [ 11.587060] [<c0610278>] (driver_register) from [<bf2fe2b4>] (ath10k_ahb_init+0x18/0x38 [ath10k_pci]) [ 11.595320] [<bf2fe2b4>] (ath10k_ahb_init [ath10k_pci]) from [<bf30403c>] (init_module+0x3c/0x1000 [ath10k_pci]) [ 11.604432] [<bf30403c>] (init_module [ath10k_pci]) from [<c0302764>] (do_one_initcall+0x84/0x1d8) [ 11.614657] [<c0302764>] (do_one_initcall) from [<c0398c2c>] (do_init_module+0x5c/0x228) [ 11.623421] [<c0398c2c>] (do_init_module) from [<c039ae48>] (load_module+0x1fc8/0x224c) [ 11.631663] [<c039ae48>] (load_module) from [<c039b228>] (sys_init_module+0x15c/0x17c) [ 11.639390] [<c039b228>] (sys_init_module) from [<c0301000>] (ret_fast_syscall+0x0/0x54) [ 11.647370] Exception stack(0xcea0dfa8 to 0xcea0dff0) [ 11.655615] dfa0: 00000000 00000000 00620010 0000c610 000129d1 00000014 [ 11.660569] dfc0: 00000000 00000000 00000003 00000080 0000c610 00000000 b6fc1d20 00000000 [ 11.668725] dfe0: bef0ad14 bef0acf8 00011e14 b6f74c94 [ 11.676886] Code: e1c321d4 e0433002 e0232397 e5843014 (e5953000) [ 11.681958] ---[ end trace 8f35917de2e76854 ]--- Fixes: 521fc37be3d8 ("ath10k: Avoid override CE5 configuration for QCA99X0 chipsets") Reported-by: Stefan Lippers-Hollmann <s.l-h@gmx.de> [ipq40xx/ map-ac2200] Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200714205802.17688-1-hauke@hauke-m.de
2020-07-20iwlwifi: Make some Killer Wireless-AC 1550 cards work againAlessio Bonfiglio1-0/+2
Fix the regression introduced by commit c8685937d07f ("iwlwifi: move pu devices to new table") by adding the ids and the configurations of two missing Killer 1550 cards in order to configure and let them work correctly again (following the new table convention). Resolve bug 208141 ("Wireless ac 9560 not working kernel 5.7.2", https://bugzilla.kernel.org/show_bug.cgi?id=208141). Fixes: c8685937d07f ("iwlwifi: move pu devices to new table") Signed-off-by: Alessio Bonfiglio <alessio.bonfiglio@mail.polimi.it> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200714091911.4442-1-alessio.bonfiglio@mail.polimi.it
2020-07-20ath9k: Fix regression with Atheros 9271Mark O'Donovan1-1/+3
This fix allows ath9k_htc modules to connect to WLAN once again. Fixes: 2bbcaaee1fcb ("ath9k: Fix general protection fault in ath9k_hif_usb_rx_cb") Link: https://bugzilla.kernel.org/show_bug.cgi?id=208251 Signed-off-by: Mark O'Donovan <shiftee@posteo.net> Reported-by: Roman Mamedov <rm@romanrm.net> Tested-by: Viktor Jägersküpper <viktor_jaegerskuepper@freenet.de> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200711043324.8079-1-shiftee@posteo.net
2020-07-20net: ieee802154: adf7242: Replace HTTP links with HTTPS onesAlexander A. Klimov1-1/+1
Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Link: https://lore.kernel.org/r/20200719113142.58304-1-grandmaster@al2klimov.de Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
2020-07-19bonding: check error value of register_netdevice() immediatelyTaehee Yoo1-3/+7
If register_netdevice() is failed, net_device should not be used because variables are uninitialized or freed. So, the routine should be stopped immediately. But, bond_create() doesn't check return value of register_netdevice() immediately. That will result in a panic because of using uninitialized or freed memory. Test commands: modprobe netdev-notifier-error-inject echo -22 > /sys/kernel/debug/notifier-error-inject/netdev/\ actions/NETDEV_REGISTER/error modprobe bonding max_bonds=3 Splat looks like: [ 375.028492][ T193] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b6b6b: 0000 [#1] SMP DEBUG_PAGEALLOC PTI [ 375.033207][ T193] CPU: 2 PID: 193 Comm: kworker/2:2 Not tainted 5.8.0-rc4+ #645 [ 375.036068][ T193] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 [ 375.039673][ T193] Workqueue: events linkwatch_event [ 375.041557][ T193] RIP: 0010:dev_activate+0x4a/0x340 [ 375.043381][ T193] Code: 40 a8 04 0f 85 db 00 00 00 8b 83 08 04 00 00 85 c0 0f 84 0d 01 00 00 31 d2 89 d0 48 8d 04 40 48 c1 e0 07 48 03 83 00 04 00 00 <48> 8b 48 10 f6 41 10 01 75 08 f0 80 a1 a0 01 00 00 fd 48 89 48 08 [ 375.050267][ T193] RSP: 0018:ffff9f8facfcfdd8 EFLAGS: 00010202 [ 375.052410][ T193] RAX: 6b6b6b6b6b6b6b6b RBX: ffff9f8fae6ea000 RCX: 0000000000000006 [ 375.055178][ T193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9f8fae6ea000 [ 375.057762][ T193] RBP: ffff9f8fae6ea000 R08: 0000000000000000 R09: 0000000000000000 [ 375.059810][ T193] R10: 0000000000000001 R11: 0000000000000000 R12: ffff9f8facfcfe08 [ 375.061892][ T193] R13: ffffffff883587e0 R14: 0000000000000000 R15: ffff9f8fae6ea580 [ 375.063931][ T193] FS: 0000000000000000(0000) GS:ffff9f8fbae00000(0000) knlGS:0000000000000000 [ 375.066239][ T193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 375.067841][ T193] CR2: 00007f2f542167a0 CR3: 000000012cee6002 CR4: 00000000003606e0 [ 375.069657][ T193] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 375.071471][ T193] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 375.073269][ T193] Call Trace: [ 375.074005][ T193] linkwatch_do_dev+0x4d/0x50 [ 375.075052][ T193] __linkwatch_run_queue+0x10b/0x200 [ 375.076244][ T193] linkwatch_event+0x21/0x30 [ 375.077274][ T193] process_one_work+0x252/0x600 [ 375.078379][ T193] ? process_one_work+0x600/0x600 [ 375.079518][ T193] worker_thread+0x3c/0x380 [ 375.080534][ T193] ? process_one_work+0x600/0x600 [ 375.081668][ T193] kthread+0x139/0x150 [ 375.082567][ T193] ? kthread_park+0x90/0x90 [ 375.083567][ T193] ret_from_fork+0x22/0x30 Fixes: e826eafa65c6 ("bonding: Call netif_carrier_off after register_netdevice") Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-19net: dsa: mv88e6xxx: fix in-band AN link establishmentRussell King2-3/+20
If in-band negotiation or fixed-link modes are specified for a DSA port, the DSA code will force the link down during initialisation. For fixed-link mode, this is fine, as phylink will manage the link state. However, for in-band mode, phylink expects the PCS to detect link, which will not happen if the link is forced down. There is a related issue that in in-band mode, the link could come up while we are making configuration changes, so we should force the link down prior to reconfiguring the interface mode. This patch addresses both issues. Fixes: 3be98b2d5fbc ("net: dsa: Down cpu/dsa ports phylink will control") Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-17mlxsw: core: Fix wrong SFP EEPROM reading for upper pages 1-3Vadim Pasternak1-16/+32
Fix wrong reading of upper pages for SFP EEPROM. According to "Memory Organization" figure in SFF-8472 spec: When reading upper pages 1, 2 and 3 the offset should be set relative to zero and I2C high address 0x51 [1010001X (A2h)] is to be used. Fixes: a45bfb5a5070 ("mlxsw: core: Extend QSFP EEPROM size for ethtool") Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-17net: macb: use phy_interface_mode_is_rgmii everywhereAlexandre Belloni1-1/+1
There is one RGMII check not using the phy_interface_mode_is_rgmii() helper. This prevents the driver from configuring the MAC properly when using a phy-mode that is not just rgmii, e.g. rgmii-rxid. This became an issue on sama5d3 xplained since the ksz9031 driver is hadling phy-mode properly and the phy-mode has to be set to rgmii-rxid. Fixes: bcf3440c6dd78bfe ("net: phy: micrel: add phy-mode support for the KSZ9031 PHY") Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-17net: atlantic: disable PTP on AQC111, AQC112Nikita Danilov7-10/+68
This patch disables PTP on AQC111 and AQC112 due to a known HW issue, which can cause datapath issues. Ideally PTP block should have been disabled via PHY provisioning, but unfortunately many units have been shipped with enabled PTP block. Thus, we have to work around this in the driver. Fixes: dbcd6806af420 ("net: aquantia: add support for Phy access") Signed-off-by: Nikita Danilov <ndanilov@marvell.com> Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com> Signed-off-by: Igor Russkikh <irusskikh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-17net: bcmgenet: restore HFB filters on resumeDoug Berger2-77/+62
The Hardware Filter Block RAM may not be preserved when the GENET block is reset during a deep sleep, so it is not sufficient to only backup and restore the enables. This commit clears out the HFB block and reprograms the rxnfc rules when the system resumes from a suspended state. To support this the bcmgenet_hfb_create_rxnfc_filter() function is modified to access the register space directly so that it can't fail due to memory allocation issues. Fixes: f50932cca632 ("net: bcmgenet: add WAKE_FILTER support") Signed-off-by: Doug Berger <opendmb@gmail.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-17net: bcmgenet: test RBUF_ACPI_EN when resumingDoug Berger1-3/+7
When the GENET driver resumes from deep sleep the UMAC_CMD register may not be accessible and therefore should not be accessed from bcmgenet_wol_power_up_cfg() if the GENET has been reset. This commit adds a check of the RBUF_ACPI_EN flag when Wake on Filter is enabled. A clear flag indicates that the GENET hardware must have been reset so the remainder of the hardware programming is bypassed. Fixes: f50932cca632 ("net: bcmgenet: add WAKE_FILTER support") Signed-off-by: Doug Berger <opendmb@gmail.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-17net: bcmgenet: test MPD_EN when resumingDoug Berger1-4/+8
When the GENET driver resumes from deep sleep the UMAC_CMD register may not be accessible and therefore should not be accessed from bcmgenet_wol_power_up_cfg() if the GENET has been reset. This commit adds a check of the MPD_EN flag when Wake on Magic Packet is enabled. A clear flag indicates that the GENET hardware must have been reset so the remainder of the hardware programming is bypassed. Fixes: 1a1d5106c1e3 ("net: bcmgenet: move clk_wol management to bcmgenet_wol") Signed-off-by: Doug Berger <opendmb@gmail.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-17net: smc91x: Fix possible memory leak in smc_drv_probe()Wang Hai1-2/+2
If try_toggle_control_gpio() failed in smc_drv_probe(), free_netdev(ndev) should be called to free the ndev created earlier. Otherwise, a memleak will occur. Fixes: 7d2911c43815 ("net: smc91x: Fix gpios for device tree based booting") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wang Hai <wanghai38@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-17ieee802154: fix one possible memleak in adf7242_probeLiu Jian1-1/+3
When probe fail, we should destroy the workqueue. Fixes: 2795e8c25161 ("net: ieee802154: fix a potential NULL pointer dereference") Signed-off-by: Liu Jian <liujian56@huawei.com> Acked-by: Michael Hennerich <michael.hennerich@analog.com> Link: https://lore.kernel.org/r/20200717090121.2143-1-liujian56@huawei.com Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
2020-07-16net: dp83640: fix SIOCSHWTSTAMP to update the struct with actual configurationSergey Organov1-0/+4
From Documentation/networking/timestamping.txt: A driver which supports hardware time stamping shall update the struct with the actual, possibly more permissive configuration. Do update the struct passed when we upscale the requested time stamping mode. Fixes: cb646e2b02b2 ("ptp: Added a clock driver for the National Semiconductor PHYTER.") Signed-off-by: Sergey Organov <sorganov@gmail.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-07-16net: fec: fix hardware time stamping by external devicesSergey Organov3-6/+30
Fix support for external PTP-aware devices such as DSA or PTP PHY: Make sure we never time stamp tx packets when hardware time stamping is disabled. Check for PTP PHY being in use and then pass ioctls related to time stamping of Ethernet packets to the PTP PHY rather than handle them ourselves. In addition, disable our own hardware time stamping in this case. Fixes: 6605b730c061 ("FEC: Add time stamping code and a PTP hardware clock") Signed-off-by: Sergey Organov <sorganov@gmail.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Acked-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-07-15ax88172a: fix ax88172a_unbind() failuresGeorge Kennedy1-0/+1
If ax88172a_unbind() fails, make sure that the return code is less than zero so that cleanup is done properly and avoid UAF. Fixes: a9a51bd727d1 ("ax88172a: fix information leak on short answers") Signed-off-by: George Kennedy <george.kennedy@oracle.com> Reported-by: syzbot+4cd84f527bf4a10fc9c1@syzkaller.appspotmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-07-15dpaa2-eth: check fsl_mc_get_endpoint for IS_ERR_OR_NULL()Ioana Ciornei1-1/+1
The fsl_mc_get_endpoint() function can return an error or directly a NULL pointer in case the peer device is not under the root DPRC container. Treat this case also, otherwise it would lead to a NULL pointer when trying to access the peer fsl_mc_device. Fixes: 719479230893 ("dpaa2-eth: add MAC/PHY support through phylink") Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-07-14qed: Disable "MFW indication via attention" SPAM every 5 minutesLaurence Oberman1-1/+2
This is likely firmware causing this but its starting to annoy customers. Change the message level to verbose to prevent the spam. Note that this seems to only show up with ISCSI enabled on the HBA via the qedi driver. Signed-off-by: Laurence Oberman <loberman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-14gianfar: Use random MAC address when none is givenMaxim Kochetkov1-1/+5
If there is no valid MAC address in the device tree, use a random MAC address. Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 03:03:48 +0000