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2010-10-31net: Truncate recvfrom and sendto length to INT_MAX.Linus Torvalds1-0/+4
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-31RDS: Let rds_message_alloc_sgs() return NULLAndy Grover3-0/+17
Even with the previous fix, we still are reading the iovecs once to determine SGs needed, and then again later on. Preallocating space for sg lists as part of rds_message seemed like a good idea but it might be better to not do this. While working to redo that code, this patch attempts to protect against userspace rewriting the rds_iovec array between the first and second accesses. The consequences of this would be either a too-small or too-large sg list array. Too large is not an issue. This patch changes all callers of message_alloc_sgs to handle running out of preallocated sgs, and fail gracefully. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-31RDS: Copy rds_iovecs into kernel memory instead of rereading from userspaceAndy Grover1-39/+65
Change rds_rdma_pages to take a passed-in rds_iovec array instead of doing copy_from_user itself. Change rds_cmsg_rdma_args to copy rds_iovec array once only. This eliminates the possibility of userspace changing it after our sanity checks. Implement stack-based storage for small numbers of iovecs, based on net/socket.c, to save an alloc in the extremely common case. Although this patch reduces iovec copies in cmsg_rdma_args to 1, we still do another one in rds_rdma_extra_size. Getting rid of that one will be trickier, so it'll be a separate patch. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-31RDS: Clean up error handling in rds_cmsg_rdma_argsAndy Grover1-3/+2
We don't need to set ret = 0 at the end -- it's initialized to 0. Also, don't increment s_send_rdma stat if we're exiting with an error. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-31RDS: Return -EINVAL if rds_rdma_pages returns an errorAndy Grover1-1/+3
rds_cmsg_rdma_args would still return success even if rds_rdma_pages returned an error (or overflowed). Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-31net: fix rds_iovec page count overflowLinus Torvalds1-0/+7
As reported by Thomas Pollet, the rdma page counting can overflow. We get the rdma sizes in 64-bit unsigned entities, but then limit it to UINT_MAX bytes and shift them down to pages (so with a possible "+1" for an unaligned address). So each individual page count fits comfortably in an 'unsigned int' (not even close to overflowing into signed), but as they are added up, they might end up resulting in a signed return value. Which would be wrong. Catch the case of tot_pages turning negative, and return the appropriate error code. Reported-by: Thomas Pollet <thomas.pollet@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-31can: pch_can: fix section mismatch warning by using a whitelisted nameMarc Kleine-Budde1-3/+3
This patch fixes the following section mismatch warning: WARNING: drivers/net/can/pch_can.o(.data+0x18): Section mismatch in reference from the variable pch_can_pcidev to the variable .devinit.rodata:pch_pci_tbl The variable pch_can_pcidev references the variable __devinitconst pch_pci_tbl This is actually a false positive which is fixed by giving the offending variable a whitelisted name, it's renamed to "pch_can_pci_driver". This makes sense because the variable is of the type "struct pci_driver". Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-31can: pch_can: fix sparse warningMarc Kleine-Budde1-2/+2
This patch fixes the following sparse warning: drivers/net/can/pch_can.c:231:26: warning: incorrect type in argument 1 (different address spaces) drivers/net/can/pch_can.c:231:26: expected unsigned int [usertype] *addr drivers/net/can/pch_can.c:231:26: got unsigned int [noderef] <asn:2>*<noident> Let pch_can_bit_{set,clear} first parameter be a void __iomem pointer. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-31netxen_nic: Fix the tx queue manipulation bug in netxen_nic_probeDenis Kirjanov1-1/+0
We should not stop the egress queue during probe because it is wrong. Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-31ip_gre: fix fallback tunnel setupEric Dumazet1-3/+3
Before making the fallback tunnel visible to lookups, we should make sure it is completely setup, once ipgre_tunnel_init() had been called and tstats per_cpu pointer allocated. move rcu_assign_pointer(ign->tunnels_wc[0], tunnel); from ipgre_fb_tunnel_init() to ipgre_init_net() Based on a patch from Pavel Emelyanov Reported-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-31vmxnet: trivial annotation of protocol constantHarvey Harrison1-1/+1
Noticed by sparse: drivers/net/vmxnet3/vmxnet3_drv.c:876:38: warning: cast from restricted __be16 drivers/net/vmxnet3/vmxnet3_drv.c:876:38: warning: cast from restricted __be16 drivers/net/vmxnet3/vmxnet3_drv.c:876:24: warning: restricted __be16 degrades to integer Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-31vmxnet3: remove unnecessary byteswapping in BAR writing macrosHarvey Harrison1-4/+4
readl/writel swap to little-endian internally. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-31ipv6/udp: report SndbufErrors and RcvbufErrorsEric Dumazet1-0/+4
commit a18135eb9389 (Add UDP_MIB_{SND,RCV}BUFERRORS handling.) forgot to make the necessary changes in net/ipv6/proc.c to report additional counters in /proc/net/snmp6 Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-30Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notifyLinus Torvalds12-64/+219
* 'for-linus' of git://git.infradead.org/users/eparis/notify: (22 commits) Ensure FMODE_NONOTIFY is not set by userspace make fanotify_read() restartable across signals fsnotify: remove alignment padding from fsnotify_mark on 64 bit builds fs/notify/fanotify/fanotify_user.c: fix warnings fanotify: Fix FAN_CLOSE comments fanotify: do not recalculate the mask if the ignored mask changed fanotify: ignore events on directories unless specifically requested fsnotify: rename FS_IN_ISDIR to FS_ISDIR fanotify: do not send events for irregular files fanotify: limit number of listeners per user fanotify: allow userspace to override max marks fanotify: limit the number of marks in a single fanotify group fanotify: allow userspace to override max queue depth fsnotify: implement a default maximum queue depth fanotify: ignore fanotify ignore marks if open writers fanotify: allow userspace to flush all marks fsnotify: call fsnotify_parent in perm events fsnotify: correctly handle return codes from listeners fanotify: use __aligned_u64 in fanotify userspace metadata fanotify: implement fanotify listener ordering ...
2010-10-30Merge branches 'perf-fixes-for-linus' and 'x86-fixes-for-linus' of ↵Linus Torvalds12-82/+153
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: jump label: Add work around to i386 gcc asm goto bug x86, ftrace: Use safe noops, drop trap test jump_label: Fix unaligned traps on sparc. jump label: Make arch_jump_label_text_poke_early() optional jump label: Fix error with preempt disable holding mutex oprofile: Remove deprecated use of flush_scheduled_work() oprofile: Fix the hang while taking the cpu offline jump label: Fix deadlock b/w jump_label_mutex vs. text_mutex jump label: Fix module __init section race * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: Check irq_remapped instead of remapping_enabled in destroy_irq()
2010-10-30Ensure FMODE_NONOTIFY is not set by userspaceLino Sanfilippo1-4/+5
In fsnotify_open() ensure that FMODE_NONOTIFY is never set by userspace. Also always call fsnotify_parent and fsnotify. Signed-off-by: Lino Sanfilippo <LinoSanfilippo@gmx.de> Signed-off-by: Eric Paris <eparis@redhat.com>
2010-10-30make fanotify_read() restartable across signalsLino Sanfilippo1-1/+1
In fanotify_read() return -ERESTARTSYS instead of -EINTR to make read() restartable across signals (BSD semantic). Signed-off-by: Eric Paris <eparis@redhat.com>
2010-10-30ASoC: tpa6130a2: Fix unbalanced regulator disablesJarkko Nikula1-2/+2
This driver has unbalanced regulator_disable when doing module loading and unloading. This is because tpa6130a2_probe followed by tpa6130a2_remove calls twice tpa6130a2_power(0). Fix this by implementing a state checking in tpa6130a2_power. Signed-off-by: Jarkko Nikula <jhnikula@gmail.com> Cc: Peter Ujfalusi <peter.ujfalusi@nokia.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-10-30ASoC: tlv320dac33: Mode1 FIFO auto configuration fixPeter Ujfalusi1-2/+6
Do not allow invalid (too big) nSample value, when FIFO Mode1 and automatic fifo configuration has been selected. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-10-30ASoC: tlv320dac33: Limit the US_TO_SAMPLES macroPeter Ujfalusi1-1/+1
Limit the time window to maximum 1s in the macro. The driver deals with much shorter times (<200ms). This will fix a rare division by zero bug in Mode1. This could happen, when the work is not executed in time (within mode1_latency) after the interrupt. In this case the DAC33 will not receive the needed nSample command in time, and enters to an unknown state, and won't recover. In such event the time window will increase, and eventually going to be bigger than 1s, resulting devision by zero. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-10-30ASoC: tlv320dac33: Error handling for broken chipPeter Ujfalusi1-7/+19
Correct/Implement handling of broken chip. Fail the soc_prope if the communication with the chip fails (can not read chip ID). Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2010-10-30Merge branch 'for-linus' of ↵Linus Torvalds27-519/+2405
git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (39 commits) Btrfs: deal with errors from updating the tree log Btrfs: allow subvol deletion by unprivileged user with -o user_subvol_rm_allowed Btrfs: make SNAP_DESTROY async Btrfs: add SNAP_CREATE_ASYNC ioctl Btrfs: add START_SYNC, WAIT_SYNC ioctls Btrfs: async transaction commit Btrfs: fix deadlock in btrfs_commit_transaction Btrfs: fix lockdep warning on clone ioctl Btrfs: fix clone ioctl where range is adjacent to extent Btrfs: fix delalloc checks in clone ioctl Btrfs: drop unused variable in block_alloc_rsv Btrfs: cleanup warnings from gcc 4.6 (nonbugs) Btrfs: Fix variables set but not read (bugs found by gcc 4.6) Btrfs: Use ERR_CAST helpers Btrfs: use memdup_user helpers Btrfs: fix raid code for removing missing drives Btrfs: Switch the extent buffer rbtree into a radix tree Btrfs: restructure try_release_extent_buffer() Btrfs: use the flusher threads for delalloc throttling Btrfs: tune the chunk allocation to 5% of the FS as metadata ... Fix up trivial conflicts in fs/btrfs/super.c and fs/fs-writeback.c, and remove use of INIT_RCU_HEAD in fs/btrfs/extent_io.c (that init macro was useless and removed in commit 5e8067adfdba: "rcu head remove init")
2010-10-30fs-writeback.c: unify some common codeLinus Torvalds1-10/+13
The btrfs merge looks like hell, because it changes fs-writeback.c, and the crazy code has this repeated "estimate number of dirty pages" counting that involves three different helper functions. And it's done in two different places. Just unify that whole calculation as a "get_nr_dirty_pages()" helper function, and the merge result will look half-way decent. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-30Merge branch 'audit.b64' of ↵Linus Torvalds12-59/+118
git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current * 'audit.b64' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current: audit mmap audit: make link()/linkat() match "attribute change" predicate audit: Use rcu for task lookup protection audit: Do not send uninitialized data for AUDIT_TTY_GET audit: Call tty_audit_push_task() outside preempt disabled in untag_chunk() we need to do alloc_chunk() a bit earlier audit: make functions static Audit: add support to match lsm labels on user audit messages
2010-10-30Merge git://git.infradead.org/mtd-2.6Linus Torvalds71-1159/+3412
* git://git.infradead.org/mtd-2.6: (82 commits) mtd: fix build error in m25p80.c mtd: Remove redundant mutex from mtd_blkdevs.c MTD: Fix wrong check register_blkdev return value Revert "mtd: cleanup Kconfig dependencies" mtd: cfi_cmdset_0002: make sector erase command variable mtd: cfi_cmdset_0002: add CFI detection for SST 38VF640x chips mtd: cfi_util: add support for switching SST 39VF640xB chips into QRY mode mtd: cfi_cmdset_0001: use defined value of P_ID_INTEL_PERFORMANCE instead of hardcoded one block2mtd: dubious assignment P4080/mtd: Fix the freescale lbc issue with 36bit mode P4080/eLBC: Make Freescale elbc interrupt common to elbc devices mtd: phram: use KBUILD_MODNAME mtd: OneNAND: S5PC110: Fix double call suspend & resume function mtd: nand: fix MTD_MODE_RAW writes jffs2: use kmemdup mtd: sm_ftl: cosmetic, use bool when possible mtd: r852: remove useless pci powerup/down from suspend/resume routines mtd: blktrans: fix a race vs kthread_stop mtd: blktrans: kill BKL mtd: allow to unload the mtdtrans module if its block devices aren't open ... Fix up trivial whitespace-introduced conflict in drivers/mtd/mtdchar.c
2010-10-30Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds234-2080/+8861
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (215 commits) ARM: memblock: setup lowmem mappings using memblock ARM: memblock: move meminfo into find_limits directly ARM: memblock: convert free_highpages() to use memblock ARM: move freeing of highmem pages out of mem_init() ARM: memblock: convert memory detail printing to use memblock ARM: memblock: use memblock to free memory into arm_bootmem_init() ARM: memblock: use memblock when initializing memory allocators ARM: ensure membank array is always sorted ARM: 6466/1: implement flush_icache_all for the rest of the CPUs ARM: 6464/2: fix spinlock recursion in adjust_pte() ARM: fix memblock breakage ARM: 6465/1: Fix data abort accessing proc_info from __lookup_processor_type ARM: 6460/1: ixp2000: fix type of ixp2000_timer_interrupt ARM: 6449/1: Fix for compiler warning of uninitialized variable. ARM: 6445/1: fixup TCM memory types ARM: imx: Add wake functionality to GPIO ARM: mx5: Add gpio-keys to mx51 babbage board ARM: imx: Add gpio-keys to plat-mxc mx31_3ds: Fix spi registration mx31_3ds: Fix the logic for detecting the debug board ...
2010-10-30ipc: shm: fix information leak to userlandVasiliy Kulikov1-0/+1
The shmid_ds structure is copied to userland with shm_unused{,2,3} fields unitialized. It leads to leaking of contents of kernel stack memory. Signed-off-by: Vasiliy Kulikov <segooon@gmail.com> Acked-by: Al Viro <viro@ZenIV.linux.org.uk> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-30fs/compat.c: fix build on MIPS/s390wu zhangjin1-0/+1
The definition of PAGE_CACHE_MASK in <linux/pagemap.h> is needed to use MAX_RW_COUNT, and on x86-64 that gets done indirectly through the architecture header includes. But on MIPS and s390 that doesn't happen, and we need to make sure that fs/compat.c includes pagemap.h explicitly. Introduced in commit 435f49a518c7 ("readv/writev: do the same MAX_RW_COUNT truncation that read/write does"). Reported-by: Sachin Sant <sachinp@in.ibm.com> (S390) Reported-by: wu zhangjin <wuzhangjin@gmail.com> (MIPS) Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-30audit mmapAl Viro4-0/+29
Normal syscall audit doesn't catch 5th argument of syscall. It also doesn't catch the contents of userland structures pointed to be syscall argument, so for both old and new mmap(2) ABI it doesn't record the descriptor we are mapping. For old one it also misses flags. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-30audit: make link()/linkat() match "attribute change" predicateAl Viro1-0/+4
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-30audit: Use rcu for task lookup protectionThomas Gleixner1-16/+14
Protect the task lookups in audit_receive_msg() with rcu_read_lock() instead of tasklist_lock and use lock/unlock_sighand to protect against the exit race. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Eric Paris <eparis@redhat.com> Cc: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-30audit: Do not send uninitialized data for AUDIT_TTY_GETThomas Gleixner1-2/+4
audit_receive_msg() sends uninitialized data for AUDIT_TTY_GET when the task was not found. Send reply only when task was found. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Eric Paris <eparis@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-30audit: Call tty_audit_push_task() outside preempt disabledThomas Gleixner3-30/+42
While auditing all tasklist_lock read_lock sites I stumbled over the following call chain: audit_prepare_user_tty() read_lock(&tasklist_lock); tty_audit_push_task(); mutex_lock(&buf->mutex); --> buf->mutex is locked with preemption disabled. Solve this by acquiring a reference to the task struct under rcu_read_lock and call tty_audit_push_task outside of the preempt disabled region. Move all code which needs to be protected by sighand lock into tty_audit_push_task() and use lock/unlock_sighand as we do not hold tasklist_lock. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Eric Paris <eparis@redhat.com> Cc: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-30mtd: fix build error in m25p80.cAndres Salomon1-1/+1
While building an x86 distro kernel, I hit the following: Kernel: arch/x86/boot/bzImage is ready (#7) ERROR: "of_mtd_parse_partitions" [drivers/mtd/devices/m25p80.ko] undefined! of_mtd_parse_partitions is defined with MTD_OF_PARTS, and that's only built on PPC and microblaze. The code in question should be wrapped w/ a stricter #ifdef. Signed-off-by: Andres Salomon <dilinger@queued.net> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-10-30mtd: Remove redundant mutex from mtd_blkdevs.cDavid Woodhouse1-7/+0
In commit 2a48fc0ab24241755dc93bfd4f01d68efab47f5a ('block: autoconvert trivial BKL users to private mutex'), Arnd replaced the BKL usage with a mutex. However, Maxim has already provided a better fix in commit 480792b7bf188c29b8d4b10fee65c3a06ec5dbf7 ('mtd: blktrans: kill BKL'), which was simply to remove the BKL without replacing it — since he'd already made it do all necessary locking for itself. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-10-30Merge branch 'master' of ↵David Woodhouse5688-217433/+328325
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git Conflicts: drivers/mtd/mtd_blkdevs.c Merge Grant's device-tree bits so that we can apply the subsequent fixes. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-10-30Btrfs: deal with errors from updating the tree logChris Mason1-1/+2
During unlink we remove any references to the inode from the tree log. It can return -ENOENT and other errors, and this changes the unlink code to deal with it. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-30MTD: Fix wrong check register_blkdev return valueFrank Li1-1/+4
register_blkdev return 1..255 when major = 0. if (ret ) { printk(KERN_WARNING "Unable to register %s block device on major %d: %d\n", tr->name, tr->major, ret); mutex_unlock(&mtd_table_mutex); return ret; } Above code will return fail when register_blkdev return allocated major number. Signed-off-by: Frank Li <Frank.Li@freescale.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-10-30semaphore: Remove mutex emulationThomas Gleixner2-12/+2
Semaphores used as mutexes have been deprecated for years. Now that all users are either converted to real semaphores or to mutexes remove the cruft. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Christoph Hellwig <hch@infradead.org> LKML-Reference: <20100907125057.562399240@linutronix.de>
2010-10-30staging: Final semaphore cleanupThomas Gleixner15-20/+20
Fixup the last remaining users of DECLARE_MUTEX and init_MUTEX. Scripted conversion, resulting code is binary equivalent. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Greg Kroah-Hartman <gregkh@suse.de> LKML-Reference: <20100907125057.278833764@linutronix.de>
2010-10-30jbd2: Convert jbd2_slab_create_sem to mutexThomas Gleixner1-4/+4
jbd2_slab_create_sem is used as a mutex, so make it one. [ akpm muttered: We may as well make it local to jbd2_journal_create_slab() also. ] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ted Ts'o <tytso@mit.edu> Cc: Andrew Morton <akpm@linux-foundation.org> LKML-Reference: <alpine.LFD.2.00.1010162231480.2496@localhost6.localdomain6> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2010-10-30Merge branch 'tip/perf/jump-label-2' of ↵Ingo Molnar5692-251027/+392052
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/urgent
2010-10-30x86: Check irq_remapped instead of remapping_enabled in destroy_irq()Yinghai Lu1-1/+1
Russ Anderson reported: | There is a regression that is causing a NULL pointer dereference | in free_irte when shutting down xpc. git bisect narrowed it down | to git commit d585d06(intr_remap: Simplify the code further), which | changed free_irte(). Reverse applying the patch fixes the problem. We need to use irq_remapped() for each irq instead of checking only intr_remapping_enabled as there might be non remapped irqs even when remapping is enabled. [ tglx: use cfg instead of retrieving it again. Massaged changelog ] Reported-bisected-and-tested-by: Russ Anderson <rja@sgi.com> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Suresh Siddha <suresh.b.siddha@intel.com> LKML-Reference: <4CCBD511.40607@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2010-10-30hpfs: Convert sbi->hpfs_creation_de to mutexThomas Gleixner3-4/+4
sbi->hpfs_creation_de is used as mutex so make it a mutex. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Christoph Hellwig <hch@infradead.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: linux-fsdevel@vger.kernel.org LKML-Reference: <20100907125056.228874895@linutronix.de>
2010-10-30in untag_chunk() we need to do alloc_chunk() a bit earlierAl Viro1-2/+7
... while we are not holding spinlocks. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-30audit: make functions staticStephen Hemminger3-9/+6
I was doing some namespace checks and found some simple stuff in audit that could be cleaned up. Make some functions static, and put const on make_reply payload arg. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-30Audit: add support to match lsm labels on user audit messagesMiloslav Trmac1-0/+12
Add support for matching by security label (e.g. SELinux context) of the sender of an user-space audit record. The audit filter code already allows user space to configure such filters, but they were ignored during evaluation. This patch implements evaluation of these filters. For example, after application of this patch, PAM authentication logs caused by cron can be disabled using auditctl -a user,never -F subj_type=crond_t Signed-off-by: Miloslav Trmac <mitr@redhat.com> Acked-by: Eric Paris <eparis@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-10-30Merge branches 'x86-fixes-for-linus' and 'x86-uv-for-linus' of ↵Linus Torvalds5-13/+50
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, alternative: Call stop_machine_text_poke() on all cpus x86-32: Restore irq stacks NUMA-aware allocations x86, memblock: Fix early_node_mem with big reserved region. * 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, uv: More Westmere support on SGI UV x86, uv: Enable Westmere support on SGI UV
2010-10-30Merge branches 'msm-fixes' and 'msm-video' of ↵Linus Torvalds7-21/+36
git://codeaurora.org/quic/kernel/dwalker/linux-msm * 'msm-fixes' of git://codeaurora.org/quic/kernel/dwalker/linux-msm: msm: Kconfig: drop unused config options msm: fix compile failure when no debug uart is selected msm: fix debug-macro.S build failure msm: timer: Decrease shift on timer clocksource arm: mach-msm: fix error handling in msm_iommu_probe() msm: fix Kconfig target board selection msm: fix compile failure on struct membank node member * 'msm-video' of git://codeaurora.org/quic/kernel/dwalker/linux-msm: drivers/video/msm/mddi.c: Remove multiple KERN_<level> uses drivers: msm: video: add dev_set_name call drivers: video: msm: fix hang on disable_irq
2010-10-30Btrfs: allow subvol deletion by unprivileged user with -o user_subvol_rm_allowedSage Weil3-5/+116
Add a mount option user_subvol_rm_allowed that allows users to delete a (potentially non-empty!) subvol when they would otherwise we allowed to do an rmdir(2). We duplicate the may_delete() checks from the core VFS code to implement identical security checks (minus the directory size check). We additionally require that the user has write+exec permission on the subvol root inode. Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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