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2010-12-19ARM: 6530/1: mmci: partially revert clock divisor codeLinus Walleij
I misread the datasheet as if bypass mode was not available at all on the ux500's, I was wrong. It is there, the datasheet just states that you should not have to use it. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-19ARM: 6526/1: mmci: corrected calculation of clock div for ux500Linus Walleij
The Ux500 variant of this block has a different divider. The value used right now is too big and which means a loss in performance. This fix corrects it. Also expand the math comments a bit so it's clear what's happening. Further the Ux500 variant does not like if we use the BYPASS bit, instead we are supposed to set the clock divider to zero. Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-11-10ARM: 6438/2: mmci: add SDIO support for ST VariantsLinus Walleij
This adds some minor variant data and trickery to enable SDIO on the ST Micro variants of MMCI/PL180. Signed-off-by: Marcin Mielczarczyk <marcin.mielczarczyk@tieto.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-11-10ARM: 6399/3: mmci: handle broken MCI_DATABLOCKEND hardwareLinus Walleij
On the U300 the MCI_DATAEND and MCI_DATABLOCKEND IRQs can arrive out-of-order. Replace an ugly #ifdef hack with a proper runtime solution which models what is really happening. In the U300 DMA mode and on all Ux500 models, the MCI_DATABLOCKEND flag isn't properly cleared in hardware following and ACK leading to all kind of weird behaviour when the flag is still up in subsequent interrupts, so we add two flags indicating the error and handle this runtime. Cc: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-11-10ARM: 6311/2: mmci: work with only one irqLinus Walleij
The DBx500 variants have only one IRQ line hooked up. Allow these (and any other implementations which choose to use only one irq) to work by directing the PIO interrupts also to the first IRQ line. Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-11-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: cifs: fix a memleak in cifs_setattr_nounix() cifs: make cifs_ioctl handle NULL filp->private_data correctly
2010-11-09perf_events: Fix perf_counter_mmap() hook in mprotect()Pekka Enberg
As pointed out by Linus, commit dab5855 ("perf_counter: Add mmap event hooks to mprotect()") is fundamentally wrong as mprotect_fixup() can free 'vma' due to merging. Fix the problem by moving perf_event_mmap() hook to mprotect_fixup(). Note: there's another successful return path from mprotect_fixup() if old flags equal to new flags. We don't, however, need to call perf_event_mmap() there because 'perf' already knows the VMA is executable. Reported-by: Dave Jones <davej@redhat.com> Analyzed-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Ingo Molnar <mingo@elte.hu> Reviewed-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Pekka Enberg <penberg@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-09cifs: fix a memleak in cifs_setattr_nounix()Suresh Jayaraman
Andrew Hendry reported a kmemleak warning in 2.6.37-rc1 while editing a text file with gedit over cifs. unreferenced object 0xffff88022ee08b40 (size 32): comm "gedit", pid 2524, jiffies 4300160388 (age 2633.655s) hex dump (first 32 bytes): 5c 2e 67 6f 75 74 70 75 74 73 74 72 65 61 6d 2d \.goutputstream- 35 42 41 53 4c 56 00 de 09 00 00 00 2c 26 78 ee 5BASLV......,&x. backtrace: [<ffffffff81504a4d>] kmemleak_alloc+0x2d/0x60 [<ffffffff81136e13>] __kmalloc+0xe3/0x1d0 [<ffffffffa0313db0>] build_path_from_dentry+0xf0/0x230 [cifs] [<ffffffffa031ae1e>] cifs_setattr+0x9e/0x770 [cifs] [<ffffffff8115fe90>] notify_change+0x170/0x2e0 [<ffffffff81145ceb>] sys_fchmod+0x10b/0x140 [<ffffffff8100c172>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff The commit 1025774c that removed inode_setattr() seems to have introduced this memleak by returning early without freeing 'full_path'. Reported-by: Andrew Hendry <andrew.hendry@gmail.com> Cc: Christoph Hellwig <hch@lst.de> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-11-08Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: kernel: Constify temporary variable in roundup()
2010-11-09kernel: Constify temporary variable in roundup()Tetsuo Handa
Fix build error with GCC 3.x caused by commit b28efd54 "kernel: roundup should only reference arguments once" by constifying temporary variable used in that macro. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Suggested-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Eric Paris <eparis@redhat.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-11-08sparc: fix openpromfs compileMeelis Roos
Fix openpromfs compilation by adding a missing semicolon in fs/openpromfs/inode.c openprom_mount(). Signed-off-by: Meelis Roos <mroos@linux.ee> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-08Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: Add new ext4 inode tracepoints ext4: Don't call sb_issue_discard() in ext4_free_blocks() ext4: do not try to grab the s_umount semaphore in ext4_quota_off ext4: fix potential race when freeing ext4_io_page structures ext4: handle writeback of inodes which are being freed ext4: initialize the percpu counters before replaying the journal ext4: "ret" may be used uninitialized in ext4_lazyinit_thread() ext4: fix lazyinit hang after removing request
2010-11-08cifs: make cifs_ioctl handle NULL filp->private_data correctlyJeff Layton
Commit 13cfb7334e made cifs_ioctl use the tlink attached to the cifsFileInfo for a filp. This ignores the case of an open directory however, which in CIFS can have a NULL private_data until a readdir is done on it. This patch re-adds the NULL pointer checks that were removed in commit 50ae28f01 and moves the setting of tcon and "caps" variables lower. Long term, a better fix would be to establish a f_op->open routine for directories that populates that field at open time, but that requires some other changes to how readdir calls are handled. Reported-by: Kjell Rune Skaaraas <kjella79@yahoo.no> Reviewed-and-Tested-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-11-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: TTY: move .gitignore from drivers/char/ to drivers/tty/vt/ TTY: create drivers/tty/vt and move the vt code there TTY: create drivers/tty and move the tty core files there
2010-11-08Merge branch 'staging-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-next-2.6 * 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-next-2.6: Staging: ath6kl: remove empty files that mess with 'distclean' staging: ath6kl: Fixing the driver to use modified mmc_host structure Staging: solo6x10: fix build problem
2010-11-08Merge branch 'rmobile-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 * 'rmobile-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: mmc: sh_mmcif: Convert extern inline to static inline. ARM: mach-shmobile: Allow GPIO chips to register IRQ mappings. ARM: mach-shmobile: fix sh7372 after a recent clock framework rework ARM: mach-shmobile: include drivers/sh/Kconfig ARM: mach-shmobile: ap4evb: Add HDMI sound support ARM: mach-shmobile: clock-sh7372: Add FSIDIV clock support ARM: shmobile: remove sh_timer_config clk member
2010-11-08Merge branch 'sh-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 * 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: sh: clkfwk: Fix up checkpatch warnings. sh: make some needlessly global sh7724 clocks static sh: add clk_round_parent() to optimize parent clock rate sh: Simplify phys_addr_mask()/PTE_PHYS_MASK for 29/32-bit. sh: nommu: Support building without an uncached mapping. sh: nommu: use 32-bit phys mode. sh: mach-se: Fix up SE7206 no ioport build. sh: intc: Update for single IRQ reservation helper. sh: clkfwk: Fix up rate rounding error handling. sh: mach-se: Rip out superfluous 7751 PIO routines. sh: mach-se: Rip out superfluous 770x PIO routines. sh: mach-edosk7705: Kill off machtype, consolidate board def. sh: mach-edosk7705: update for this century, kill off PIO trapping. sh: mach-se: Rip out superfluous 7206 PIO routines. sh: mach-systemh: Kill off dead board. sh: mach-snapgear: Kill off machtype, consolidate board def. sh: mach-snapgear: Rip out superfluous PIO routines. sh: mach-microdev: SuperIO-relative ioport mapping.
2010-11-08ext4: Add new ext4 inode tracepointsTheodore Ts'o
Add ext4_evict_inode, ext4_drop_inode, ext4_mark_inode_dirty, and ext4_begin_ordered_truncate() Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2010-11-08ext4: Don't call sb_issue_discard() in ext4_free_blocks()Theodore Ts'o
Commit 5c521830cf (ext4: Support discard requests when running in no-journal mode) attempts to add sb_issue_discard() for data blocks (in data=writeback mode) and in no-journal mode. Unfortunately, this no longer works, because in commit dd3932eddf (block: remove BLKDEV_IFL_WAIT), sb_issue_discard() only presents a synchronous interface, and there are times when we call ext4_free_blocks() when we are are holding a spinlock, or are otherwise in an atomic context. For now, I've removed the call to sb_issue_discard() to prevent a deadlock or (if spinlock debugging is enabled) failures like this: BUG: scheduling while atomic: rc.sysinit/1376/0x00000002 Pid: 1376, comm: rc.sysinit Not tainted 2.6.36-ARCH #1 Call Trace: [<ffffffff810397ce>] __schedule_bug+0x5e/0x70 [<ffffffff81403110>] schedule+0x950/0xa70 [<ffffffff81060bad>] ? insert_work+0x7d/0x90 [<ffffffff81060fbd>] ? queue_work_on+0x1d/0x30 [<ffffffff81061127>] ? queue_work+0x37/0x60 [<ffffffff8140377d>] schedule_timeout+0x21d/0x360 [<ffffffff812031c3>] ? generic_make_request+0x2c3/0x540 [<ffffffff81402680>] wait_for_common+0xc0/0x150 [<ffffffff81041490>] ? default_wake_function+0x0/0x10 [<ffffffff812034bc>] ? submit_bio+0x7c/0x100 [<ffffffff810680a0>] ? wake_bit_function+0x0/0x40 [<ffffffff814027b8>] wait_for_completion+0x18/0x20 [<ffffffff8120a969>] blkdev_issue_discard+0x1b9/0x210 [<ffffffff811ba03e>] ext4_free_blocks+0x68e/0xb60 [<ffffffff811b1650>] ? __ext4_handle_dirty_metadata+0x110/0x120 [<ffffffff811b098c>] ext4_ext_truncate+0x8cc/0xa70 [<ffffffff810d713e>] ? pagevec_lookup+0x1e/0x30 [<ffffffff81191618>] ext4_truncate+0x178/0x5d0 [<ffffffff810eacbb>] ? unmap_mapping_range+0xab/0x280 [<ffffffff810d8976>] vmtruncate+0x56/0x70 [<ffffffff811925cb>] ext4_setattr+0x14b/0x460 [<ffffffff811319e4>] notify_change+0x194/0x380 [<ffffffff81117f80>] do_truncate+0x60/0x90 [<ffffffff811e08fa>] ? security_inode_permission+0x1a/0x20 [<ffffffff811eaec1>] ? tomoyo_path_truncate+0x11/0x20 [<ffffffff81127539>] do_last+0x5d9/0x770 [<ffffffff811278bd>] do_filp_open+0x1ed/0x680 [<ffffffff8140644f>] ? page_fault+0x1f/0x30 [<ffffffff81132bfc>] ? alloc_fd+0xec/0x140 [<ffffffff81118db1>] do_sys_open+0x61/0x120 [<ffffffff81118e8b>] sys_open+0x1b/0x20 [<ffffffff81002e6b>] system_call_fastpath+0x16/0x1b https://bugzilla.kernel.org/show_bug.cgi?id=22302 Reported-by: Mathias Burén <mathias.buren@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: jiayingz@google.com
2010-11-08ext4: do not try to grab the s_umount semaphore in ext4_quota_offDmitry Monakhov
It's not needed to sync the filesystem, and it fixes a lock_dep complaint. Signed-off-by: Dmitry Monakhov <dmonakhov@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Reviewed-by: Jan Kara <jack@suse.cz>
2010-11-08ext4: fix potential race when freeing ext4_io_page structuresTheodore Ts'o
Use an atomic_t and make sure we don't free the structure while we might still be submitting I/O for that page. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2010-11-08ext4: handle writeback of inodes which are being freedTheodore Ts'o
The following BUG can occur when an inode which is getting freed when it still has dirty pages outstanding, and it gets deleted (in this because it was the target of a rename). In ordered mode, we need to make sure the data pages are written just in case we crash before the rename (or unlink) is committed. If the inode is being freed then when we try to igrab the inode, we end up tripping the BUG_ON at fs/ext4/page-io.c:146. To solve this problem, we need to keep track of the number of io callbacks which are pending, and avoid destroying the inode until they have all been completed. That way we don't have to bump the inode count to keep the inode from being destroyed; an approach which doesn't work because the count could have already been dropped down to zero before the inode writeback has started (at which point we're not allowed to bump the count back up to 1, since it's already started getting freed). Thanks to Dave Chinner for suggesting this approach, which is also used by XFS. kernel BUG at /scratch_space/linux-2.6/fs/ext4/page-io.c:146! Call Trace: [<ffffffff811075b1>] ext4_bio_write_page+0x172/0x307 [<ffffffff811033a7>] mpage_da_submit_io+0x2f9/0x37b [<ffffffff811068d7>] mpage_da_map_and_submit+0x2cc/0x2e2 [<ffffffff811069b3>] mpage_add_bh_to_extent+0xc6/0xd5 [<ffffffff81106c66>] write_cache_pages_da+0x2a4/0x3ac [<ffffffff81107044>] ext4_da_writepages+0x2d6/0x44d [<ffffffff81087910>] do_writepages+0x1c/0x25 [<ffffffff810810a4>] __filemap_fdatawrite_range+0x4b/0x4d [<ffffffff810815f5>] filemap_fdatawrite_range+0xe/0x10 [<ffffffff81122a2e>] jbd2_journal_begin_ordered_truncate+0x7b/0xa2 [<ffffffff8110615d>] ext4_evict_inode+0x57/0x24c [<ffffffff810c14a3>] evict+0x22/0x92 [<ffffffff810c1a3d>] iput+0x212/0x249 [<ffffffff810bdf16>] dentry_iput+0xa1/0xb9 [<ffffffff810bdf6b>] d_kill+0x3d/0x5d [<ffffffff810be613>] dput+0x13a/0x147 [<ffffffff810b990d>] sys_renameat+0x1b5/0x258 [<ffffffff81145f71>] ? _atomic_dec_and_lock+0x2d/0x4c [<ffffffff810b2950>] ? cp_new_stat+0xde/0xea [<ffffffff810b29c1>] ? sys_newlstat+0x2d/0x38 [<ffffffff810b99c6>] sys_rename+0x16/0x18 [<ffffffff81002a2b>] system_call_fastpath+0x16/0x1b Reported-by: Nick Bowler <nbowler@elliptictech.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Tested-by: Nick Bowler <nbowler@elliptictech.com>
2010-11-08Merge branch 'rmobile/core' into rmobile-fixes-for-linusPaul Mundt
2010-11-08Merge branches 'sh/pio-death', 'sh/nommu', 'sh/clkfwk', 'sh/core' and ↵Paul Mundt
'sh/intc-extension' into sh-fixes-for-linus
2010-11-08sh: clkfwk: Fix up checkpatch warnings.Paul Mundt
The clk_round_parent() change introduced various checkpatch warnings, tidy them up. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-11-08sh: make some needlessly global sh7724 clocks staticGuennadi Liakhovetski
These clocks are currently only used inside one .c file and are not declared in any headers, therefore having them global is useless. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-11-08sh: add clk_round_parent() to optimize parent clock rateGuennadi Liakhovetski
Sometimes it is possible and reasonable to adjust the parent clock rate to improve precision of the child clock, e.g., if the child clock has no siblings. clk_round_parent() is a new addition to the SH clock-framework API, that implements such an optimization for child clocks with divisors, taking all integer values in a range. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-11-06Staging: ath6kl: remove empty files that mess with 'distclean'Greg Kroah-Hartman
These two .h files would get removed from the tree when doing make distclean It turns out they are not needed at all, so just delete them which fixes people's git trees when doing development. Reported-by: Andi Kleen <andi@firstfloor.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-06floppy: fix another use-after-freeVivek Goyal
While scanning the floopy code due to c093ee4f07f4 ("floppy: fix use-after-free in module load failure path"), I found one more instance of trying to access disk->queue pointer after doing put_disk() on gendisk. For some reason , floppy moule still loads/unloads fine. The object is probably still around with right pointer values. o There seems to be one more instance of trying to cleanup the request queue after we have called put_disk() on associated gendisk. o This fix is more out of code inspection. Even without this fix for some reason I am able to load/unload floppy module without any issues. o Floppy module loads/unloads fine after the fix. Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-05TTY: move .gitignore from drivers/char/ to drivers/tty/vt/Greg Kroah-Hartman
The autogenerated files (consolemap_deftbl.c and defkeymap.c) need to be ignored by git, so move the .gitignore file that was doing it to the properly location now that the files have moved as well. Cc: Arnd Bergmann <arnd@arndb.de> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-11-05ipw2x00: remove the right /proc/net entryLinus Torvalds
Commit 27ae60f8f7aa ("ipw2x00: replace "ieee80211" with "libipw" where appropriate") changed DRV_NAME to be "libipw", but didn't properly fix up the places where it was used to specify the name for the /proc/net/ directory. For backwards compatibility reasons, that directory name remained "ieee80211", but due to the DRV_NAME change, the error case printouts and the cleanup functions now used "libipw" instead. Which made it all fail badly. For example, on module unload as reported by Randy: WARNING: at fs/proc/generic.c:816 remove_proc_entry+0x156/0x35e() name 'libipw' because it's trying to unregister a /proc directory that obviously doesn't even exist. Clean it all up to use DRV_PROCNAME for the actual /proc directory name. Reported-and-tested-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Pavel Roskin <proski@gnu.org> Cc: John W. Linville <linville@tuxdriver.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-05Merge branch 'kvm-updates/2.6.37' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
* 'kvm-updates/2.6.37' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: PPC: BookE: Load the lower half of MSR KVM: PPC: BookE: fix sleep with interrupts disabled KVM: PPC: e500: Call kvm_vcpu_uninit() before kvmppc_e500_tlb_uninit(). PPC: KVM: Book E doesn't have __end_interrupts. KVM: x86: Issue smp_call_function_many with preemption disabled KVM: x86: fix information leak to userland KVM: PPC: fix information leak to userland KVM: MMU: fix rmap_remove on non present sptes KVM: Write protect memory after slot swap
2010-11-05floppy: fix use-after-free in module load failure pathLinus Torvalds
Commit 488211844e0c ("floppy: switch to one queue per drive instead of sharing a queue") introduced a use-after-free. We do "put_disk()" on the disk device _before_ we then clean up the queue associated with that disk. Move the put_disk() down to avoid dereferencing a free'd data structure. Cc: Jens Axboe <jaxboe@fusionio.com> Cc: Vivek Goyal <vgoyal@redhat.com> Reported-and-tested-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-05watchdog: Fix section mismatch and potential undefined behavior.David Daney
Commit d9ca07a05ce1 ("watchdog: Avoid kernel crash when disabling watchdog") introduces a section mismatch. Now that we reference no_watchdog from non-__init code it can no longer be __initdata. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Cc: Stephane Eranian <eranian@google.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (41 commits) inet_diag: Make sure we actually run the same bytecode we audited. netlink: Make nlmsg_find_attr take a const nlmsghdr*. fib: fib_result_assign() should not change fib refcounts netfilter: ip6_tables: fix information leak to userspace cls_cgroup: Fix crash on module unload memory corruption in X.25 facilities parsing net dst: fix percpu_counter list corruption and poison overwritten rds: Remove kfreed tcp conn from list rds: Lost locking in loop connection freeing de2104x: fix panic on load atl1 : fix panic on load netxen: remove unused firmware exports caif: Remove noisy printout when disconnecting caif socket caif: SPI-driver bugfix - incorrect padding. caif: Bugfix for socket priority, bindtodev and dbg channel. smsc911x: Set Ethernet EEPROM size to supported device's size ipv4: netfilter: ip_tables: fix information leak to userland ipv4: netfilter: arp_tables: fix information leak to userland cxgb4vf: remove call to stop TX queues at load time. cxgb4: remove call to stop TX queues at load time. ...
2010-11-05Merge branch 'fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: firewire: ohci: fix race when reading count in AR descriptor firewire: ohci: avoid reallocation of AR buffers firewire: ohci: fix race in AR split packet handling firewire: ohci: fix buffer overflow in AR split packet handling
2010-11-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: cifs: make cifs_set_oplock_level() take a cifsInodeInfo pointer cifs: dereferencing first then checking cifs: trivial comment fix: tlink_tree is now a rbtree [CIFS] Cleanup unused variable build warning cifs: convert tlink_tree to a rbtree cifs: store pointer to master tlink in superblock (try #2) cifs: trivial doc fix: note setlease implemented CIFS: Add cifs_set_oplock_level FS: cifs, remove unneeded NULL tests
2010-11-05posix-cpu-timers: workaround to suppress the problems with mt execOleg Nesterov
posix-cpu-timers.c correctly assumes that the dying process does posix_cpu_timers_exit_group() and removes all !CPUCLOCK_PERTHREAD timers from signal->cpu_timers list. But, it also assumes that timer->it.cpu.task is always the group leader, and thus the dead ->task means the dead thread group. This is obviously not true after de_thread() changes the leader. After that almost every posix_cpu_timer_ method has problems. It is not simple to fix this bug correctly. First of all, I think that timer->it.cpu should use struct pid instead of task_struct. Also, the locking should be reworked completely. In particular, tasklist_lock should not be used at all. This all needs a lot of nontrivial and hard-to-test changes. Change __exit_signal() to do posix_cpu_timers_exit_group() when the old leader dies during exec. This is not the fix, just the temporary hack to hide the problem for 2.6.37 and stable. IOW, this is obviously wrong but this is what we currently have anyway: cpu timers do not work after mt exec. In theory this change adds another race. The exiting leader can detach the timers which were attached to the new leader. However, the window between de_thread() and release_task() is small, we can pretend that sys_timer_create() was called before de_thread(). Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-05Merge branch 'hwmon-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging: hwmon: (ltc4261) Fix error message format hwmon: (ltc4261) Add missing newline in debug message
2010-11-05cifs: make cifs_set_oplock_level() take a cifsInodeInfo pointerPavel Shilovsky
All the callers already have a pointer to struct cifsInodeInfo. Use it. Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
2010-11-05hwmon: (ltc4261) Fix error message formatJean Delvare
adapter->id is deprecated and not set by any adapter driver, so this was certainly not what the author wanted to use. adapter->nr maybe, but as dev_err() already includes this value, as well as the client's address, there's no point repeating them. Better print a simple error message in plain English words. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2010-11-05hwmon: (ltc4261) Add missing newline in debug messageGuenter Roeck
Reported-by: Joe Perches <joe@perches.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Acked-by: Jean Delvare <khali@linux-fr.org>
2010-11-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tileLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: arch/tile: mark "hardwall" device as non-seekable asm-generic/stat.h: support 64-bit file time_t for stat() arch/tile: don't allow user code to set the PL via ptrace or signal return arch/tile: correct double syscall restart for nested signals arch/tile: avoid __must_check warning on one strict_strtol check arch/tile: bomb raw_local_irq_ to arch_local_irq_ arch/tile: complete migration to new kmap_atomic scheme
2010-11-05leds-net5501: taints kernel, add licenseRandy Dunlap
Add MODULE_LICENSE() that matches file comments so that kernel is not tainted. leds_net5501: module license 'unspecified' taints kernel. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Richard Purdie <rpurdie@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-05KVM: PPC: BookE: Load the lower half of MSRScott Wood
This was preventing the guest from setting any bits in the hardware MSR which aren't forced on, such as MSR[SPE]. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2010-11-05KVM: PPC: BookE: fix sleep with interrupts disabledScott Wood
It is not legal to call mutex_lock() with interrupts disabled. This will assert with debug checks enabled. If there's a real need to disable interrupts here, it could be done after the mutex is acquired -- but I don't see why it's needed at all. Signed-off-by: Scott Wood <scottwood@freescale.com> Reviewed-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2010-11-05KVM: PPC: e500: Call kvm_vcpu_uninit() before kvmppc_e500_tlb_uninit().Scott Wood
The VCPU uninit calls some TLB functions, and the TLB uninit function frees the memory used by them. Signed-off-by: Scott Wood <scottwood@freescale.com> Acked-by: Liu Yu <yu.liu@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2010-11-05PPC: KVM: Book E doesn't have __end_interrupts.Scott Wood
Fix an unresolved symbol with CONFIG_KVM_GUEST plus CONFIG_RELOCATABLE on Book E. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2010-11-05KVM: x86: Issue smp_call_function_many with preemption disabledJan Kiszka
smp_call_function_many is specified to be called only with preemption disabled. Fulfill this requirement. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2010-11-05KVM: x86: fix information leak to userlandVasiliy Kulikov
Structures kvm_vcpu_events, kvm_debugregs, kvm_pit_state2 and kvm_clock_data are copied to userland with some padding and reserved fields unitialized. It leads to leaking of contents of kernel stack memory. We have to initialize them to zero. In patch v1 Jan Kiszka suggested to fill reserved fields with zeros instead of memset'ting the whole struct. It makes sense as these fields are explicitly marked as padding. No more fields need zeroing. KVM-Stable-Tag. Signed-off-by: Vasiliy Kulikov <segooon@gmail.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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