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2018-06-12treewide: kmalloc() -> kmalloc_array()Kees Cook1-4/+4
The kmalloc() function has a 2-factor argument form, kmalloc_array(). This patch replaces cases of: kmalloc(a * b, gfp) with: kmalloc_array(a * b, gfp) as well as handling cases of: kmalloc(a * b * c, gfp) with: kmalloc(array3_size(a, b, c), gfp) as it's slightly less ugly than: kmalloc_array(array_size(a, b), c, gfp) This does, however, attempt to ignore constant size factors like: kmalloc(4 * 1024, gfp) though any constants defined via macros get caught up in the conversion. Any factors with a sizeof() of "unsigned char", "char", and "u8" were dropped, since they're redundant. The tools/ directory was manually excluded, since it has its own implementation of kmalloc(). The Coccinelle script used for this was: // Fix redundant parens around sizeof(). @@ type TYPE; expression THING, E; @@ ( kmalloc( - (sizeof(TYPE)) * E + sizeof(TYPE) * E , ...) | kmalloc( - (sizeof(THING)) * E + sizeof(THING) * E , ...) ) // Drop single-byte sizes and redundant parens. @@ expression COUNT; typedef u8; typedef __u8; @@ ( kmalloc( - sizeof(u8) * (COUNT) + COUNT , ...) | kmalloc( - sizeof(__u8) * (COUNT) + COUNT , ...) | kmalloc( - sizeof(char) * (COUNT) + COUNT , ...) | kmalloc( - sizeof(unsigned char) * (COUNT) + COUNT , ...) | kmalloc( - sizeof(u8) * COUNT + COUNT , ...) | kmalloc( - sizeof(__u8) * COUNT + COUNT , ...) | kmalloc( - sizeof(char) * COUNT + COUNT , ...) | kmalloc( - sizeof(unsigned char) * COUNT + COUNT , ...) ) // 2-factor product with sizeof(type/expression) and identifier or constant. @@ type TYPE; expression THING; identifier COUNT_ID; constant COUNT_CONST; @@ ( - kmalloc + kmalloc_array ( - sizeof(TYPE) * (COUNT_ID) + COUNT_ID, sizeof(TYPE) , ...) | - kmalloc + kmalloc_array ( - sizeof(TYPE) * COUNT_ID + COUNT_ID, sizeof(TYPE) , ...) | - kmalloc + kmalloc_array ( - sizeof(TYPE) * (COUNT_CONST) + COUNT_CONST, sizeof(TYPE) , ...) | - kmalloc + kmalloc_array ( - sizeof(TYPE) * COUNT_CONST + COUNT_CONST, sizeof(TYPE) , ...) | - kmalloc + kmalloc_array ( - sizeof(THING) * (COUNT_ID) + COUNT_ID, sizeof(THING) , ...) | - kmalloc + kmalloc_array ( - sizeof(THING) * COUNT_ID + COUNT_ID, sizeof(THING) , ...) | - kmalloc + kmalloc_array ( - sizeof(THING) * (COUNT_CONST) + COUNT_CONST, sizeof(THING) , ...) | - kmalloc + kmalloc_array ( - sizeof(THING) * COUNT_CONST + COUNT_CONST, sizeof(THING) , ...) ) // 2-factor product, only identifiers. @@ identifier SIZE, COUNT; @@ - kmalloc + kmalloc_array ( - SIZE * COUNT + COUNT, SIZE , ...) // 3-factor product with 1 sizeof(type) or sizeof(expression), with // redundant parens removed. @@ expression THING; identifier STRIDE, COUNT; type TYPE; @@ ( kmalloc( - sizeof(TYPE) * (COUNT) * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kmalloc( - sizeof(TYPE) * (COUNT) * STRIDE + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kmalloc( - sizeof(TYPE) * COUNT * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kmalloc( - sizeof(TYPE) * COUNT * STRIDE + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kmalloc( - sizeof(THING) * (COUNT) * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | kmalloc( - sizeof(THING) * (COUNT) * STRIDE + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | kmalloc( - sizeof(THING) * COUNT * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | kmalloc( - sizeof(THING) * COUNT * STRIDE + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) ) // 3-factor product with 2 sizeof(variable), with redundant parens removed. @@ expression THING1, THING2; identifier COUNT; type TYPE1, TYPE2; @@ ( kmalloc( - sizeof(TYPE1) * sizeof(TYPE2) * COUNT + array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2)) , ...) | kmalloc( - sizeof(TYPE1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2)) , ...) | kmalloc( - sizeof(THING1) * sizeof(THING2) * COUNT + array3_size(COUNT, sizeof(THING1), sizeof(THING2)) , ...) | kmalloc( - sizeof(THING1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(THING1), sizeof(THING2)) , ...) | kmalloc( - sizeof(TYPE1) * sizeof(THING2) * COUNT + array3_size(COUNT, sizeof(TYPE1), sizeof(THING2)) , ...) | kmalloc( - sizeof(TYPE1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(TYPE1), sizeof(THING2)) , ...) ) // 3-factor product, only identifiers, with redundant parens removed. @@ identifier STRIDE, SIZE, COUNT; @@ ( kmalloc( - (COUNT) * STRIDE * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | kmalloc( - COUNT * (STRIDE) * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | kmalloc( - COUNT * STRIDE * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kmalloc( - (COUNT) * (STRIDE) * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | kmalloc( - COUNT * (STRIDE) * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kmalloc( - (COUNT) * STRIDE * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kmalloc( - (COUNT) * (STRIDE) * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kmalloc( - COUNT * STRIDE * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) ) // Any remaining multi-factor products, first at least 3-factor products, // when they're not all constants... @@ expression E1, E2, E3; constant C1, C2, C3; @@ ( kmalloc(C1 * C2 * C3, ...) | kmalloc( - (E1) * E2 * E3 + array3_size(E1, E2, E3) , ...) | kmalloc( - (E1) * (E2) * E3 + array3_size(E1, E2, E3) , ...) | kmalloc( - (E1) * (E2) * (E3) + array3_size(E1, E2, E3) , ...) | kmalloc( - E1 * E2 * E3 + array3_size(E1, E2, E3) , ...) ) // And then all remaining 2 factors products when they're not all constants, // keeping sizeof() as the second factor argument. @@ expression THING, E1, E2; type TYPE; constant C1, C2, C3; @@ ( kmalloc(sizeof(THING) * C2, ...) | kmalloc(sizeof(TYPE) * C2, ...) | kmalloc(C1 * C2 * C3, ...) | kmalloc(C1 * C2, ...) | - kmalloc + kmalloc_array ( - sizeof(TYPE) * (E2) + E2, sizeof(TYPE) , ...) | - kmalloc + kmalloc_array ( - sizeof(TYPE) * E2 + E2, sizeof(TYPE) , ...) | - kmalloc + kmalloc_array ( - sizeof(THING) * (E2) + E2, sizeof(THING) , ...) | - kmalloc + kmalloc_array ( - sizeof(THING) * E2 + E2, sizeof(THING) , ...) | - kmalloc + kmalloc_array ( - (E1) * E2 + E1, E2 , ...) | - kmalloc + kmalloc_array ( - (E1) * (E2) + E1, E2 , ...) | - kmalloc + kmalloc_array ( - E1 * E2 + E1, E2 , ...) ) Signed-off-by: Kees Cook <keescook@chromium.org>
2017-07-29net: moxa: Add spaces preferred around that '{+,-}'SZ Lin1-4/+4
This patch fixes all checkpatch occurences of "CHECK: spaces preferred around that '{+,-}' (ctx:VxV)" in moxart_ether code. Signed-off-by: SZ Lin <sz.lin@moxa.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-29net: moxa: Fix for typo in comment to function moxart_mac_setup_desc_ring()SZ Lin1-1/+1
Signed-off-by: SZ Lin <sz.lin@moxa.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-29net: moxa: Remove extra space after a castSZ Lin1-1/+1
No space is necessary after a cast This warning is found using checkpatch.pl Signed-off-by: SZ Lin <sz.lin@moxa.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-29net: moxa: Fix comparison to NULL could be written with !SZ Lin1-2/+2
Fixed coding style for null comparisons in moxart_ether driver to be more consistent with the rest of the kernel coding style Signed-off-by: SZ Lin <sz.lin@moxa.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-29net: moxa: Prefer 'unsigned int' to bare use of 'unsigned'SZ Lin1-2/+2
Use 'unsigned int' instead of 'unsigned' This warning is found using checkpatch.pl Signed-off-by: SZ Lin <sz.lin@moxa.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-29net: moxa: Remove braces from single-line bodySZ Lin1-2/+1
Remove unnecessary braces from single-line if statement This warning is found using checkpatch.pl Signed-off-by: SZ Lin <sz.lin@moxa.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-07net: moxa: Use net_device_stats from struct net_deviceTobias Klauser2-19/+10
Instead of using a private copy of struct net_device_stats in struct moxart_mac_priv_t, use stats from struct net_device. Also remove the now unnecessary .ndo_get_stats function. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28net: moxa: fix TX overrun memory leakJonas Jensen2-2/+19
moxart_mac_start_xmit() doesn't care where tx_tail is, tx_head can catch and pass tx_tail, which is bad because moxart_tx_finished() isn't guaranteed to catch up on freeing resources from tx_tail. Add a check in moxart_mac_start_xmit() stopping the queue at the end of the circular buffer. Also add a check in moxart_tx_finished() waking the queue if the buffer has TX_WAKE_THRESHOLD or more free descriptors. While we're at it, move spin_lock_irq() to happen before our descriptor pointer is assigned in moxart_mac_start_xmit(). Addresses https://bugzilla.kernel.org/show_bug.cgi?id=99451 Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-30drivers: net: generalize napi_complete_done()Eric Dumazet1-1/+1
napi_complete_done() allows to opt-in for gro_flush_timeout, added back in linux-3.19, commit 3b47d30396ba ("net: gro: add a per device gro flush timer") This allows for more efficient GRO aggregation without sacrifying latencies. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-23net: moxa: constify net_device_ops structuresBhumika Goyal1-1/+1
Declare net_device_ops structure as const as it is only stored in the netdev_ops field of a net_device structure. This field is of type const, so net_device_ops structures having same properties can be made const too. Done using Coccinelle: @r1 disable optional_qualifier@ identifier i; position p; @@ static struct net_device_ops i@p={...}; @ok1@ identifier r1.i; position p; struct net_device ndev; @@ ndev.netdev_ops=&i@p @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct net_device_ops i; File size before: text data bss dec hex filename 4821 744 0 5565 15bd ethernet/moxa/moxart_ether.o File size after: text data bss dec hex filename 5373 192 0 5565 15bd ethernet/moxa/moxart_ether.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-13net: deprecate eth_change_mtu, remove usageJarod Wilson1-1/+0
With centralized MTU checking, there's nothing productive done by eth_change_mtu that isn't already done in dev_set_mtu, so mark it as deprecated and remove all usage of it in the kernel. All callers have been audited for calls to alloc_etherdev* or ether_setup directly, which means they all have a valid dev->min_mtu and dev->max_mtu. Now eth_change_mtu prints out a netdev_warn about being deprecated, for the benefit of out-of-tree drivers that might be utilizing it. Of note, dvb_net.c actually had dev->mtu = 4096, while using eth_change_mtu, meaning that if you ever tried changing it's mtu, you couldn't set it above 1500 anymore. It's now getting dev->max_mtu also set to 4096 to remedy that. v2: fix up lantiq_etop, missed breakage due to drive not compiling on x86 CC: netdev@vger.kernel.org Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-04treewide: replace dev->trans_start update with helperFlorian Westphal1-1/+1
Replace all trans_start updates with netif_trans_update helper. change was done via spatch: struct net_device *d; @@ - d->trans_start = jiffies + netif_trans_update(d) Compile tested only. Cc: user-mode-linux-devel@lists.sourceforge.net Cc: linux-xtensa@linux-xtensa.org Cc: linux1394-devel@lists.sourceforge.net Cc: linux-rdma@vger.kernel.org Cc: netdev@vger.kernel.org Cc: MPT-FusionLinux.pdl@broadcom.com Cc: linux-scsi@vger.kernel.org Cc: linux-can@vger.kernel.org Cc: linux-parisc@vger.kernel.org Cc: linux-omap@vger.kernel.org Cc: linux-hams@vger.kernel.org Cc: linux-usb@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: linux-s390@vger.kernel.org Cc: devel@driverdev.osuosl.org Cc: b.a.t.m.a.n@lists.open-mesh.org Cc: linux-bluetooth@vger.kernel.org Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Acked-by: Mugunthan V N <mugunthanvnm@ti.com> Acked-by: Antonio Quartulli <a@unstable.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-03net: moxa: fix an error codeDan Carpenter1-2/+2
We accidentally return IS_ERR(priv->base) which is 1 instead of PTR_ERR(priv->base) which is the error code. Fixes: 6c821bd9edc9 ('net: Add MOXA ART SoCs ethernet driver') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-29net: moxart: use correct accessors for DMA memoryArnd Bergmann2-18/+32
The moxart ethernet driver confuses coherent DMA buffers with MMIO registers. moxart_ether.c: In function 'moxart_mac_setup_desc_ring': moxart_ether.c:146:428: error: passing argument 1 of '__fswab32' makes integer from pointer without a cast [-Werror=int-conversion] moxart_ether.c:74:39: warning: incorrect type in argument 3 (different address spaces) moxart_ether.c:74:39: expected void *cpu_addr moxart_ether.c:74:39: got void [noderef] <asn:2>*tx_desc_base This leaves the basic logic alone and uses normal pointers for the virtual address of the descriptor. As we cannot use readl/writel to access them, we also introduce our own moxart_desc_read moxart_desc_write helpers that perform the same endianess swap as the original code, but without the address space conversion. The barriers are made explicit here where needed: Even in the worst-case scenario, we just have to use a rmb() after checking ownership so we don't read any input data before we are sure it is value, and we use wmb() before transferring ownership back to the device. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-09-21net: moxa: Fix module autoload for OF platform driverLuis de Bethencourt1-0/+1
This platform driver has a OF device ID table but the OF module alias information is not created so module autoloading won't work. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-23drivers/net: remove all references to obsolete Ethernet-HOWTOPaul Gortmaker1-3/+1
This howto made sense in the 1990s when users had to manually configure ISA cards with jumpers or vendor utilities, but with the implementation of PCI it became increasingly less and less relevant, to the point where it has been well over a decade since I last updated it. And there is no value in anyone else taking over updating it either. However the references to it continue to spread as boiler plate text from one Kconfig file into the next. We are not doing end users any favours by pointing them at this old document, so lets kill it with fire, once and for all, to hopefully stop any further spread. No code is changed in this commit, just Kconfig help text. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-14net: batch of last_rx update avoidance in ethernet drivers.françois romieu1-1/+0
None of those drivers uses last_rx for its own needs. See 4dc89133f49b8cfd77ba7e83f5960aed63aaa99e ("net: add a comment on netdev->last_rx") for reference. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Zhangfei Gao <zhangfei.gao@linaro.org> Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Cc: Wingman Kwok <w-kwok2@ti.com> Cc: Murali Karicheri <m-karicheri2@ti.com> Cc: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-08ethernet: codespell comment spelling fixesJoe Perches1-1/+1
To test a checkpatch spelling patch, I ran codespell against drivers/net/ethernet/. $ git ls-files drivers/net/ethernet/ | \ while read file ; do \ codespell -w $file; \ done I removed a false positive in e1000_hw.h Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-20net: ethernet: moxa: drop owner assignment from platform_driversWolfram Sang1-1/+0
A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-10-03net: ethernet: Remove superfluous ether_setup after alloc_etherdevTobias Klauser1-1/+0
There is no need to call ether_setup after alloc_ethdev since it was already called there. Follow commits c706471b2601 ("net: axienet: remove unnecessary ether_setup after alloc_etherdev") and 3c87dcbfb36c ("net: ll_temac: Remove unnecessary ether_setup after alloc_etherdev") and fix the pattern in all remaining ethernet drivers. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-25net: moxa: continue loop on skb allocation failureJonas Jensen1-7/+5
If netdev_alloc_skb_ip_align() fails, subsequent code will try to dereference an invalid pointer. Continue to next descriptor on error. While we're at it, 1. eliminate the chance of an endless loop, replace the main loop with while(rx < budget) 2. use napi_complete() and remove the explicit napi_gro_flush() Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-25net: moxa: synchronize DMA memoryJonas Jensen1-0/+6
DMA memory should be synchronized before data is passed to/from controller. Add dma_sync_single_for_cpu(.., DMA_FROM_DEVICE) to RX path and dma_sync_single_for_device(.., DMA_TO_DEVICE) to TX path. Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-25net: moxa: replace build_skb() with netdev_alloc_skb_ip_align() / memcpy()Jonas Jensen1-4/+5
build_skb() is used to make skbs out of existing RX ring memory which is bad because the RX ring is allocated only once, on probe. Memory corruption occur because said memory is reclaimed, i.e. __kfree_skb() (and eventually put_page()). Replace build_skb() with netdev_alloc_skb_ip_align() and use memcpy(). Remove SKB_DATA_ALIGN() from RX buffer size while we're at it. Addresses https://bugzilla.kernel.org/show_bug.cgi?id=69041 Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-25net: moxa: clear DESC1 on ndo_start_xmit()Jonas Jensen1-4/+3
TX buffer length is not cleared on ndo_start_xmit(). Failing to do so can bug/hang the controller and cause TX interrupts to stop altogether. Remove the readl() and compute a new value for DESC1. Addresses https://bugzilla.kernel.org/show_bug.cgi?id=69031 Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-16drivers/net: delete non-required instances of include <linux/init.h>Paul Gortmaker1-1/+0
None of these files are actually using any __init type directives and hence don't need to include <linux/init.h>. Most are just a left over from __devinit and __cpuinit removal, or simply due to code getting copied from one driver to the next. This covers everything under drivers/net except for wireless, which has been submitted separately. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-21ethernet: moxa: remove duplicate includesMichael Opdenacker1-1/+0
Reported by "make includecheck" Tested that drivers/net/ethernet/moxa/moxart_ether.c still compiles well on ARM Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-08moxa: fix the error handling in moxart_mac_probe()Wei Yongjun1-6/+16
This patch fix the error handling in moxart_mac_probe(): - return -ENOMEM in some memory alloc fail cases - add missing free_netdev() in the error handling case Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-30ethernet: moxa: fix incorrect placement of __initdata tagBartlomiej Zolnierkiewicz1-1/+1
__initdata tag should be placed between the variable name and equal sign for the variable to be placed in the intended .init.data section. In this particular case __initdata is incorrect as moxart_mac_driver can be used after the driver gets initialized. Also while at it static-ize moxart_mac_driver. Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-22ethernet: moxa: remove unnecessary platform_set_drvdata()Jingoo Han1-1/+0
The driver core clears the driver data to NULL after device_release or on probe failure. Thus, it is not needed to manually clear the device driver data to NULL. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-20moxa: fix missing unlock on error in moxart_mac_start_xmit()Wei Yongjun1-4/+6
Add the missing unlock before return from function moxart_mac_start_xmit() in the error handling case. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-08-11net: Add MOXA ART SoCs ethernet driverJonas Jensen4-0/+923
The MOXA UC-711X hardware(s) has an ethernet controller that seem to be developed internally. The IC used is "RTL8201CP". Since there is no public documentation, this driver is mostly the one published by MOXA that has been heavily cleaned up / ported from linux 2.6.9. Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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