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2013-03-12Merge branch 'for-linus' of ↵Linus Torvalds5-8/+10
git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu Pull m68knommu fixes from Greg Ungerer: "It contains a few small fixes for the non-MMU m68k platforms. Fixes some compilation problems, some broken header definitions, removes an unused config option and adds a name for the old 68000 CPU support." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k: drop "select EMAC_INC" m68knommu: fix misnamed GPIO pin definition for ColdFire 528x CPU m68knommu: fix MC68328.h defines m68knommu: fix build when CPU is not coldfire m68knommu: add CPU_NAME for 68000
2013-03-12Merge branch 'for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull key management race fix from James Morris. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: keys: fix race with concurrent install_user_keyrings()
2013-03-12Merge branch 'for-linus' of ↵Linus Torvalds1-13/+29
git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client Pull Ceph fix from Sage Weil: "This fixes a bug in the new message decoding that just went in during the last window." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: libceph: fix decoding of pgids
2013-03-12Merge branch 'for-3.9' of git://linux-nfs.org/~bfields/linuxLinus Torvalds2-9/+18
Pull nfsd bugfixes from Bruce Fields: "Some minor fallout from the user-namespace work broke most krb5 mounts to nfsd, and I screwed up a change to the AF_LOCAL rpc code." * 'for-3.9' of git://linux-nfs.org/~bfields/linux: sunrpc: don't attempt to cancel unitialized work nfsd: fix krb5 handling of anonymous principals
2013-03-12vfs: fix pipe counter breakageAl Viro1-0/+3
If you open a pipe for neither read nor write, the pipe code will not add any usage counters to the pipe, causing the 'struct pipe_inode_info" to be potentially released early. That doesn't normally matter, since you cannot actually use the pipe, but the pipe release code - particularly fasync handling - still expects the actual pipe infrastructure to all be there. And rather than adding NULL pointer checks, let's just disallow this case, the same way we already do for the named pipe ("fifo") case. This is ancient going back to pre-2.4 days, and until trinity, nobody naver noticed. Reported-by: Dave Jones <davej@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-12keys: fix race with concurrent install_user_keyrings()David Howells1-1/+1
This fixes CVE-2013-1792. There is a race in install_user_keyrings() that can cause a NULL pointer dereference when called concurrently for the same user if the uid and uid-session keyrings are not yet created. It might be possible for an unprivileged user to trigger this by calling keyctl() from userspace in parallel immediately after logging in. Assume that we have two threads both executing lookup_user_key(), both looking for KEY_SPEC_USER_SESSION_KEYRING. THREAD A THREAD B =============================== =============================== ==>call install_user_keyrings(); if (!cred->user->session_keyring) ==>call install_user_keyrings() ... user->uid_keyring = uid_keyring; if (user->uid_keyring) return 0; <== key = cred->user->session_keyring [== NULL] user->session_keyring = session_keyring; atomic_inc(&key->usage); [oops] At the point thread A dereferences cred->user->session_keyring, thread B hasn't updated user->session_keyring yet, but thread A assumes it is populated because install_user_keyrings() returned ok. The race window is really small but can be exploited if, for example, thread B is interrupted or preempted after initializing uid_keyring, but before doing setting session_keyring. This couldn't be reproduced on a stock kernel. However, after placing systemtap probe on 'user->session_keyring = session_keyring;' that introduced some delay, the kernel could be crashed reliably. Fix this by checking both pointers before deciding whether to return. Alternatively, the test could be done away with entirely as it is checked inside the mutex - but since the mutex is global, that may not be the best way. Signed-off-by: David Howells <dhowells@redhat.com> Reported-by: Mateusz Guzik <mguzik@redhat.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Morris <james.l.morris@oracle.com>
2013-03-11libceph: fix decoding of pgidsSage Weil1-13/+29
In 4f6a7e5ee1393ec4b243b39dac9f36992d161540 we effectively dropped support for the legacy encoding for the OSDMap and incremental. However, we didn't fix the decoding for the pgid. Signed-off-by: Sage Weil <sage@inktank.com> Reviewed-by: Yehuda Sadeh <yehuda@inktank.com>
2013-03-11Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds4-14/+40
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Misc minor fixes mostly related to tracing" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: s390: Fix a header dependencies related build error tracing: update documentation of snapshot utility tracing: Do not return EINVAL in snapshot when not allocated tracing: Add help of snapshot feature when snapshot is empty ftrace: Update the kconfig for DYNAMIC_FTRACE
2013-03-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds84-696/+843
Pull networking fixes from David Miller: 1) Missing cancel of work items in mac80211 MLME, from Ben Greear. 2) Fix DMA mapping handling in iwlwifi by using coherent DMA for command headers, from Johannes Berg. 3) Decrease the amount of pressure on the page allocator by using order 1 pages less in iwlwifi, from Emmanuel Grumbach. 4) Fix mesh PS broadcast OOPS in mac80211, from Marco Porsch. 5) Don't forget to recalculate idle state in mac80211 monitor interface, from Felix Fietkau. 6) Fix varargs in netfilter conntrack handler, from Joe Perches. 7) Need to reset entire chip when command queue fills up in iwlwifi, from Emmanuel Grumbach. 8) The TX antenna value must be valid when calibrations are performed in iwlwifi, fix from Dor Shaish. 9) Don't generate netfilter audit log entries when audit is disabled, from Gao Feng. 10) Deal with DMA unit hang on e1000e during power state transitions, from Bruce Allan. 11) Remove BUILD_BUG_ON check from igb driver, from Alexander Duyck. 12) Fix lockdep warning on i2c handling of igb driver, from Carolyn Wyborny. 13) Fix several TTY handling issues in IRDA ircomm tty driver, from Peter Hurley. 14) Several QFQ packet scheduler fixes from Paolo Valente. 15) When VXLAN encapsulates on transmit, we have to reset the netfilter state. From Zang MingJie. 16) Fix jiffie check in net_rx_action() so that we really cap the processing at 2HZ. From Eric Dumazet. 17) Fix erroneous trigger of IP option space exhaustion, when routers are pre-specified and we are looking to see if we can insert a timestamp, we will have the space. From David Ward. 18) Fix various issues in benet driver wrt waiting for firmware to finish POST after resets or errors. From Gavin Shan and Sathya Perla. 19) Fix TX locking in SFC driver, from Ben Hutchings. 20) Like the VXLAN fix above, when we encap in a TUN device we have to reset the netfilter state. This should fix several strange crashes reported by Dave Jones and others. From Eric Dumazet. 21) Don't forget to clean up MAC address resources when shutting down a port in mlx4 driver, from Yan Burman. 22) Fix divide by zero in vmxnet3 driver, from Bhavesh Davda. 23) Fix device statistic regression in tg3 when the driver is using phylib, from Nithin Sujir. 24) Fix info leak in several netlink handlers, from Mathias Krause. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (79 commits) 6lowpan: Fix endianness issue in is_addr_link_local(). rrunner.c: fix possible memory leak in rr_init_one() dcbnl: fix various netlink info leaks rtnl: fix info leak on RTM_GETLINK request for VF devices bridge: fix mdb info leaks tg3: Update link_up flag for phylib devices ipv6: stop multicast forwarding to process interface scoped addresses bridging: fix rx_handlers return code netlabel: fix build problems when CONFIG_IPV6=n drivers/isdn: checkng length to be sure not memory overflow net/rds: zero last byte for strncpy bnx2x: Fix SFP+ misconfiguration in iSCSI boot scenario bnx2x: Fix intermittent long KR2 link up time macvlan: Set IFF_UNICAST_FLT flag to prevent unnecessary promisc mode. team: unsyc the devices addresses when port is removed bridge: add missing vid to br_mdb_get() Fix: sparse warning in inet_csk_prepare_forced_close afkey: fix a typo MAINTAINERS: Update qlcnic maintainers list netlabel: correctly list all the static label mappings ...
2013-03-11Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/umlLinus Torvalds11-41/+42
Pull UML fixes from Richard Weinberger: "This update brings various fixes. Nothing special... In my local queue I have some more fixes which will be sent later to you. 3.9 uncovered strange UML issues. :(" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: Use tty_port in SIGWINCH handler um: Use tty_port_operations->destruct um: fix build failure due to mess-up of sig_info protorype um: add missing declaration of 'getrlimit()' and friends net : enable tx time stamping in the vde driver. hostfs: fix a not needed double check
2013-03-11Merge branch 'for-linus' of ↵Linus Torvalds8-40/+185
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input updates from Dmitry Torokhov: "Except for the largish change to the ALPS driver adding "Dolphin V1" support and Wacom getting a new signature of yet another device, the rest are straightforward driver fixes." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: mms114 - Fix regulator enable and disable paths Input: ads7864 - check return value of regulator enable Input: tc3589x-keypad - fix keymap size Input: wacom - add support for 0x10d Input: ALPS - update documentation for recent touchpad driver mods Input: ALPS - add "Dolphin V1" touchpad support Input: ALPS - remove unused argument to alps_enter_command_mode() Input: cypress_ps2 - fix trackpadi found in Dell XPS12
2013-03-11s390: Fix a header dependencies related build errorLi Zefan1-0/+1
Commit 877c685607925238e302cd3aa38788dca6c1b226 ("perf: Remove include of cgroup.h from perf_event.h") caused this build failure if PERF_EVENTS is enabled: In file included from arch/s390/include/asm/perf_event.h:9:0, from include/linux/perf_event.h:24, from kernel/events/ring_buffer.c:12: arch/s390/include/asm/cpu_mf.h: In function 'qctri': arch/s390/include/asm/cpu_mf.h:61:12: error: 'EINVAL' undeclared (first use in this function) cpu_mf.h had an implicit errno.h dependency, which was added indirectly via cgroups.h but not anymore. Add it explicitly. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Tested-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Li Zefan <lizefan@huawei.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Link: http://lkml.kernel.org/r/51385F79.7000106@huawei.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-03-11um: Use tty_port in SIGWINCH handlerRichard Weinberger5-18/+22
The tty below tty_port might get destroyed by the tty layer while we hold a reference to it. So we have to carry tty_port around... Signed-off-by: Richard Weinberger <richard@nod.at>
2013-03-11um: Use tty_port_operations->destructRichard Weinberger3-14/+14
As we setup the SIGWINCH handler in tty_port_operations->activate it makes sense to tear down it in ->destruct. Signed-off-by: Richard Weinberger <richard@nod.at>
2013-03-11um: fix build failure due to mess-up of sig_info protorypeSergei Trofimovich1-1/+1
arch/um/os-Linux/signal.c:18:8: error: conflicting types for 'sig_info' In file included from /home/slyfox/linux-2.6/arch/um/os-Linux/signal.c:12:0: arch/um/include/shared/as-layout.h:64:15: note: previous declaration of 'sig_info' was here Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org> CC: Jeff Dike <jdike@addtoit.com> CC: Richard Weinberger <richard@nod.at> CC: "Martin Pärtel" <martin.partel@gmail.com> CC: Al Viro <viro@zeniv.linux.org.uk> CC: user-mode-linux-devel@lists.sourceforge.net CC: user-mode-linux-user@lists.sourceforge.net CC: linux-kernel@vger.kernel.org Signed-off-by: Richard Weinberger <richard@nod.at>
2013-03-11um: add missing declaration of 'getrlimit()' and friendsSergei Trofimovich1-0/+2
arch/um/os-Linux/start_up.c: In function 'check_coredump_limit': arch/um/os-Linux/start_up.c:338:16: error: storage size of 'lim' isn't known arch/um/os-Linux/start_up.c:339:2: error: implicit declaration of function 'getrlimit' [-Werror=implicit-function-declaration] Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org> CC: Jeff Dike <jdike@addtoit.com> CC: Richard Weinberger <richard@nod.at> CC: Al Viro <viro@zeniv.linux.org.uk> CC: user-mode-linux-devel@lists.sourceforge.net CC: user-mode-linux-user@lists.sourceforge.net CC: linux-kernel@vger.kernel.org Signed-off-by: Richard Weinberger <richard@nod.at>
2013-03-11net : enable tx time stamping in the vde driver.Paul Chavent1-0/+2
This new version moves the skb_tx_timestamp in the main uml driver. This should avoid the need to call this function in each transport (vde, slirp, tuntap, ...). It also add support for ethtool get_ts_info. Signed-off-by: Paul Chavent <paul.chavent@onera.fr> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at>
2013-03-11hostfs: fix a not needed double checkMarco Stornelli1-8/+1
With the commit 3be2be0a32c18b0fd6d623cda63174a332ca0de1 we removed vmtruncate, but actaully there is no need to call inode_newsize_ok() because the checks are already done in inode_change_ok() at the begin of the function. Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at>
2013-03-10Input: mms114 - Fix regulator enable and disable pathsMark Brown1-9/+25
When it uses regulators the mms114 driver checks to see if it managed to acquire regulators and ignores errors. This is not the intended usage and not great style in general. Since the driver already refuses to probe if it fails to allocate the regulators simply make the enable and disable calls unconditional and add appropriate error handling, including adding cleanup of the regulators if setup_reg() fails. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-03-10Input: ads7864 - check return value of regulator enableMark Brown1-1/+6
At least print a warning if we can't power the device up. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-03-10Input: tc3589x-keypad - fix keymap sizeRabin Vincent1-4/+4
The keymap size used by tc3589x is too low, leading to the driver overwriting other people's memory. Fix this by making the driver use the automatically allocated keymap provided by matrix_keypad_build_keymap() instead of allocating one on its own. Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-03-10Linux 3.9-rc2v3.9-rc2Linus Torvalds1-1/+1
2013-03-106lowpan: Fix endianness issue in is_addr_link_local().YOSHIFUJI Hideaki / 吉藤英明1-1/+1
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-10rrunner.c: fix possible memory leak in rr_init_one()David Oostdyk1-0/+3
In the event that register_netdev() failed, the rrpriv->evt_ring allocation would have not been freed. Signed-off-by: David Oostdyk <daveo@ll.mit.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-10dcbnl: fix various netlink info leaksMathias Krause1-0/+8
The dcb netlink interface leaks stack memory in various places: * perm_addr[] buffer is only filled at max with 12 of the 32 bytes but copied completely, * no in-kernel driver fills all fields of an IEEE 802.1Qaz subcommand, so we're leaking up to 58 bytes for ieee_ets structs, up to 136 bytes for ieee_pfc structs, etc., * the same is true for CEE -- no in-kernel driver fills the whole struct, Prevent all of the above stack info leaks by properly initializing the buffers/structures involved. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-10rtnl: fix info leak on RTM_GETLINK request for VF devicesMathias Krause1-0/+1
Initialize the mac address buffer with 0 as the driver specific function will probably not fill the whole buffer. In fact, all in-kernel drivers fill only ETH_ALEN of the MAX_ADDR_LEN bytes, i.e. 6 of the 32 possible bytes. Therefore we currently leak 26 bytes of stack memory to userland via the netlink interface. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-10bridge: fix mdb info leaksMathias Krause1-0/+4
The bridging code discloses heap and stack bytes via the RTM_GETMDB netlink interface and via the notify messages send to group RTNLGRP_MDB afer a successful add/del. Fix both cases by initializing all unset members/padding bytes with memset(0). Cc: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-09Merge branch 'for-linus' of ↵Linus Torvalds71-19/+84
git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace Pull namespace bugfixes from Eric Biederman: "This is three simple fixes against 3.9-rc1. I have tested each of these fixes and verified they work correctly. The userns oops in key_change_session_keyring and the BUG_ON triggered by proc_ns_follow_link were found by Dave Jones. I am including the enhancement for mount to only trigger requests of filesystem modules here instead of delaying this for the 3.10 merge window because it is both trivial and the kind of change that tends to bit-rot if left untouched for two months." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: proc: Use nd_jump_link in proc_ns_follow_link fs: Limit sys_mount to only request filesystem modules (Part 2). fs: Limit sys_mount to only request filesystem modules. userns: Stop oopsing in key_change_session_keyring
2013-03-09Input: wacom - add support for 0x10dStephan Frank1-0/+4
It is a Wacom device found in Fujitsu Lifebook T902. Signed-off-by: Stephan Frank <sfrank@cs.tu-berlin.de> Acked-by: Ping Cheng <pingc@wacom.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-03-09Atmel MXT touchscreen: increase reset timeoutsLinus Torvalds1-2/+2
There is a more complete atmel patch-series out by Nick Dyer that fixes this and other things, but in the meantime this is the minimal thing to get the touchscreen going on (at least my) Pixel Chromebook. Not that I want my dirty fingers near that beautiful screen, but it seems that a non-initialized touchscreen will also end up being a constant wakeup source, so you have to disable it to go to sleep. And it's easier to just fix the initialization sequence. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-09sunrpc: don't attempt to cancel unitialized workJ. Bruce Fields1-5/+10
As of dc107402ae06286a9ed33c32daf3f35514a7cb8d "SUNRPC: make AF_LOCAL connect synchronous", we no longer initialize connect_worker in the AF_LOCAL case, resulting in warnings like: WARNING: at lib/debugobjects.c:261 debug_print_object+0x8c/0xb0() Hardware name: Bochs ODEBUG: assert_init not available (active state 0) object type: timer_list hint: stub_timer+0x0/0x20 Modules linked in: iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfsd auth_rpcgss nfs_acl lockd sunrpc Pid: 4816, comm: nfsd Tainted: G W 3.8.0-rc2-00049-gdc10740 #801 Call Trace: [<ffffffff8156ec00>] ? free_obj_work+0x60/0xa0 [<ffffffff81046aaf>] warn_slowpath_common+0x7f/0xc0 [<ffffffff81046ba6>] warn_slowpath_fmt+0x46/0x50 [<ffffffff8156eccc>] debug_print_object+0x8c/0xb0 [<ffffffff81055030>] ? timer_debug_hint+0x10/0x10 [<ffffffff8156f7e3>] debug_object_assert_init+0xe3/0x120 [<ffffffff81057ebb>] del_timer+0x2b/0x80 [<ffffffff8109c4e6>] ? mark_held_locks+0x86/0x110 [<ffffffff81065a29>] try_to_grab_pending+0xd9/0x150 [<ffffffff81065b57>] __cancel_work_timer+0x27/0xc0 [<ffffffff81065c03>] cancel_delayed_work_sync+0x13/0x20 [<ffffffffa0007067>] xs_destroy+0x27/0x80 [sunrpc] [<ffffffffa00040d8>] xprt_destroy+0x78/0xa0 [sunrpc] [<ffffffffa0006241>] xprt_put+0x21/0x30 [sunrpc] [<ffffffffa00030cf>] rpc_free_client+0x10f/0x1a0 [sunrpc] [<ffffffffa0002ff3>] ? rpc_free_client+0x33/0x1a0 [sunrpc] [<ffffffffa0002f7e>] rpc_release_client+0x6e/0xb0 [sunrpc] [<ffffffffa000325d>] rpc_shutdown_client+0xfd/0x1b0 [sunrpc] [<ffffffffa0017196>] rpcb_put_local+0x106/0x130 [sunrpc] ... Acked-by: "Myklebust, Trond" <Trond.Myklebust@netapp.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2013-03-09proc: Use nd_jump_link in proc_ns_follow_linkEric W. Biederman1-6/+6
Update proc_ns_follow_link to use nd_jump_link instead of just manually updating nd.path.dentry. This fixes the BUG_ON(nd->inode != parent->d_inode) reported by Dave Jones and reproduced trivially with mkdir /proc/self/ns/uts/a. Sigh it looks like the VFS change to require use of nd_jump_link happend while proc_ns_follow_link was baking and since the common case of proc_ns_follow_link continued to work without problems the need for making this change was overlooked. Cc: stable@vger.kernel.org Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2013-03-08Merge branch 'for-linus' of ↵Linus Torvalds9-130/+221
git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull btrfs fixes from Chris Mason: "These are scattered fixes and one performance improvement. The biggest functional change is in how we throttle metadata changes. The new code bumps our average file creation rate up by ~13% in fs_mark, and lowers CPU usage. Stefan bisected out a regression in our allocation code that made balance loop on extents larger than 256MB." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: improve the delayed inode throttling Btrfs: fix a mismerge in btrfs_balance() Btrfs: enforce min_bytes parameter during extent allocation Btrfs: allow running defrag in parallel to administrative tasks Btrfs: avoid deadlock on transaction waiting list Btrfs: do not BUG_ON on aborted situation Btrfs: do not BUG_ON in prepare_to_reloc Btrfs: free all recorded tree blocks on error Btrfs: build up error handling for merge_reloc_roots Btrfs: check for NULL pointer in updating reloc roots Btrfs: fix unclosed transaction handler when the async transaction commitment fails Btrfs: fix wrong handle at error path of create_snapshot() when the commit fails Btrfs: use set_nlink if our i_nlink is 0
2013-03-08Platform: x86: chromeos_laptop : Add basic platform data for atmel devicesBenson Leung1-2/+39
Add basic platform data to get the current upstream driver working with the 224s touchpad and 1664s touchscreen. We will be using NULL config so we will use the settings from the devices' NVRAMs. Signed-off-by: Benson Leung <bleung@chromium.org> Tested-by: Olof Johansson <olof@lixom.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08Input: atmel_mxt_ts - Support for touchpad variantDaniel Kurtz2-2/+67
This same driver can be used by atmel based touchscreens and touchpads (buttonpads). Platform data may specify a device is a touchpad using the is_tp flag. This will cause the driver to perform some touchpad specific initializations, such as: * register input device name "Atmel maXTouch Touchpad" instead of Touchscreen. * register BTN_LEFT & BTN_TOOL_* event types. * register axis resolution (as a fixed constant, for now) * register BUTTONPAD property * process GPIO buttons using reportid T19 Input event GPIO mapping is done by the platform data key_map array. key_map[x] should contain the KEY or BTN code to send when processing GPIOx from T19. To specify a GPIO as not an input source, populate with KEY_RESERVED, or 0. Signed-off-by: Daniel Kurtz <djkurtz@chromium.org> Signed-off-by: Benson Leung <bleung@chromium.org> Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk> Tested-by: Olof Johansson <olof@lixom.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds4-17/+13
Pull CIFS fixes from Steve French: "A small set of cifs fixes which includes one for a recent regression in the write path (pointed out by Anton), some fixes for rename problems and as promised for 3.9 removing the obsolete sockopt mount option (and the accompanying deprecation warning)." * 'for-next' of git://git.samba.org/sfrench/cifs-2.6: CIFS: Fix missing of oplock_read value in smb30_values structure cifs: don't try to unlock pagecache page after releasing it cifs: remove the sockopt= mount option cifs: Check server capability before attempting silly rename cifs: Fix bug when checking error condition in cifs_rename_pending_delete()
2013-03-08Merge branch 'akpm' (fixes from Andrew)Linus Torvalds13-34/+26
Merge misc fixes from Andrew Morton. * emailed patches from Andrew Morton <akpm@linux-foundation.org>: alpha: boot: fix build breakage introduced by system.h disintegration memcg: initialize kmem-cache destroying work earlier Randy has moved ksm: fix m68k build: only NUMA needs pfn_to_nid dmi_scan: fix missing check for _DMI_ signature in smbios_present() Revert parts of "hlist: drop the node parameter from iterators" idr: remove WARN_ON_ONCE() on negative IDs mm/mempolicy.c: fix sp_node_init() argument ordering mm/mempolicy.c: fix wrong sp_node insertion ipc: don't allocate a copy larger than max ipc: fix potential oops when src msg > 4k w/ MSG_COPY
2013-03-08alpha: boot: fix build breakage introduced by system.h disintegrationWill Deacon1-0/+1
Commit ec2212088c42 ("Disintegrate asm/system.h for Alpha") removed the system.h include from boot/head.S, which puts the PAL_* asm constants out of scope. Include <asm/pal.h> so we can get building again. Signed-off-by: Will Deacon <will.deacon@arm.com> Cc: David Rusling <david.rusling@linaro.org> Cc: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08memcg: initialize kmem-cache destroying work earlierKonstantin Khlebnikov1-2/+6
Fix a warning from lockdep caused by calling cancel_work_sync() for uninitialized struct work. This path has been triggered by destructon kmem-cache hierarchy via destroying its root kmem-cache. cache ffff88003c072d80 obj ffff88003b410000 cache ffff88003c072d80 obj ffff88003b924000 cache ffff88003c20bd40 INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. Pid: 2825, comm: insmod Tainted: G O 3.9.0-rc1-next-20130307+ #611 Call Trace: __lock_acquire+0x16a2/0x1cb0 lock_acquire+0x8a/0x120 flush_work+0x38/0x2a0 __cancel_work_timer+0x89/0xf0 cancel_work_sync+0xb/0x10 kmem_cache_destroy_memcg_children+0x81/0xb0 kmem_cache_destroy+0xf/0xe0 init_module+0xcb/0x1000 [kmem_test] do_one_initcall+0x11a/0x170 load_module+0x19b0/0x2320 SyS_init_module+0xc6/0xf0 system_call_fastpath+0x16/0x1b Example module to demonstrate: #include <linux/module.h> #include <linux/slab.h> #include <linux/mm.h> #include <linux/workqueue.h> int __init mod_init(void) { int size = 256; struct kmem_cache *cache; void *obj; struct page *page; cache = kmem_cache_create("kmem_cache_test", size, size, 0, NULL); if (!cache) return -ENOMEM; printk("cache %p\n", cache); obj = kmem_cache_alloc(cache, GFP_KERNEL); if (obj) { page = virt_to_head_page(obj); printk("obj %p cache %p\n", obj, page->slab_cache); kmem_cache_free(cache, obj); } flush_scheduled_work(); obj = kmem_cache_alloc(cache, GFP_KERNEL); if (obj) { page = virt_to_head_page(obj); printk("obj %p cache %p\n", obj, page->slab_cache); kmem_cache_free(cache, obj); } kmem_cache_destroy(cache); return -EBUSY; } module_init(mod_init); MODULE_LICENSE("GPL"); Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: Glauber Costa <glommer@parallels.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08Randy has movedRandy Dunlap3-6/+5
Update email address and CREDITS info. xenotime.net is defunct. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Harry Wei <harryxiyou@gmail.com> Cc: Keiichi KII <k-keiichi@bx.jp.nec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08ksm: fix m68k build: only NUMA needs pfn_to_nidHugh Dickins1-1/+1
A CONFIG_DISCONTIGMEM=y m68k config gave mm/ksm.c: In function `get_kpfn_nid': mm/ksm.c:492: error: implicit declaration of function `pfn_to_nid' linux/mmzone.h declares it for CONFIG_SPARSEMEM and CONFIG_FLATMEM, but expects the arch's asm/mmzone.h to declare it for CONFIG_DISCONTIGMEM (see arch/mips/include/asm/mmzone.h for example). Or perhaps it is only expected when CONFIG_NUMA=y: too much of a maze, and m68k got away without it so far, so fix the build in mm/ksm.c. Signed-off-by: Hugh Dickins <hughd@google.com> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Petr Holasek <pholasek@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08dmi_scan: fix missing check for _DMI_ signature in smbios_present()Ben Hutchings1-3/+2
Commit 9f9c9cbb6057 ("drivers/firmware/dmi_scan.c: fetch dmi version from SMBIOS if it exists") hoisted the check for "_DMI_" into dmi_scan_machine(), which means that we don't bother to check for "_DMI_" at offset 16 in an SMBIOS entry. smbios_present() may also call dmi_present() for an address where we found "_SM_", if it failed further validation. Check for "_DMI_" in smbios_present() before calling dmi_present(). [akpm@linux-foundation.org: fix build] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Reported-by: Tim McGrath <tmhikaru@gmail.com> Tested-by: Tim Mcgrath <tmhikaru@gmail.com> Cc: Zhenzhong Duan <zhenzhong.duan@oracle.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08Revert parts of "hlist: drop the node parameter from iterators"Arnd Bergmann2-2/+2
Commit b67bfe0d42ca ("hlist: drop the node parameter from iterators") did a lot of nice changes but also contains two small hunks that seem to have slipped in accidentally and have no apparent connection to the intent of the patch. This reverts the two extraneous changes. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Peter Senna Tschudin <peter.senna@gmail.com> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Sasha Levin <sasha.levin@oracle.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08idr: remove WARN_ON_ONCE() on negative IDsTejun Heo1-13/+3
idr_find(), idr_remove() and idr_replace() used to silently ignore the sign bit and perform lookup with the rest of the bits. The weird behavior has been changed such that negative IDs are treated as invalid. As the behavior change was subtle, WARN_ON_ONCE() was added in the hope of determining who's calling idr functions with negative IDs so that they can be examined for problems. Up until now, all two reported cases are ID number coming directly from userland and getting fed into idr_find() and the warnings seem to cause more problems than being helpful. Drop the WARN_ON_ONCE()s. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: <markus@trippelsdorf.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08mm/mempolicy.c: fix sp_node_init() argument orderingKOSAKI Motohiro1-1/+1
Currently, n_new is wrongly initialized. start and end parameter are inverted. Let's fix it. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Hillf Danton <dhillf@gmail.com> Cc: Sasha Levin <sasha.levin@oracle.com> Cc: Hugh Dickins <hughd@google.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Dave Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08mm/mempolicy.c: fix wrong sp_node insertionHillf Danton1-1/+1
n->end is accessed in sp_insert(). Thus it should be update before calling sp_insert(). This mistake may make kernel panic. Signed-off-by: Hillf Danton <dhillf@gmail.com> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Sasha Levin <sasha.levin@oracle.com> Cc: Hugh Dickins <hughd@google.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Dave Jones <davej@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08ipc: don't allocate a copy larger than maxPeter Hurley1-2/+4
When MSG_COPY is set, a duplicate message must be allocated for the copy before locking the queue. However, the copy could not be larger than was sent which is limited to msg_ctlmax. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Acked-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08ipc: fix potential oops when src msg > 4k w/ MSG_COPYPeter Hurley1-3/+0
If the src msg is > 4k, then dest->next points to the next allocated segment; resetting it just prior to dereferencing is bad. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Acked-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-03-08Merge branch 'stable' of ↵Linus Torvalds2-13/+32
git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile Pull tile architecture fixes from Chris Metcalf: "This fixes the bug that Al Viro spotted with the compat llseek code. I also fixed the compat syscall definitions to use the new syscall define macros to properly sign-extend their arguments." * 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: tile: properly use COMPAT_SYSCALL_DEFINEx tile: work around bug in the generic sys_llseek
2013-03-08Merge tag 'metag-for-v3.9-rc2' of ↵Linus Torvalds2-3/+1
git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag Pull metag bugfixes from James Hogan: "A couple of fairly minor arch/metag integration fixes from v3.9-rc1: - remove SET_PERSONALITY(): use default definition like other arches now do. - inhibit NUMA balancing: like SH, NUMA is used for memories with different latencies. ARCH_WANT_VARIABLE_LOCALITY has been added for this purpose." * tag 'metag-for-v3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag: metag: Inhibit NUMA balancing. metag: remove SET_PERSONALITY()
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