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2012-09-27wl18xx: use module_platform_driverDevendra Naga
the driver's init and exit routines can be implemented with the module_platform_driver, as the init and exit code is same as that of the module_platform_driver Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Luciano Coelho <luca@coelho.fi>
2012-09-27sparc64: Fix return value of Niagara-2 memcpy.David S. Miller
It gets clobbered by the kernel's VISEntryHalf, so we have to save it in a different register than the set clobbered by that macro. The instance in glibc is OK and doesn't have this problem. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27Merge branch 'drm-nouveau-fixes' of ↵Dave Airlie
git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes Another spurious dmesg quitening. * 'drm-nouveau-fixes' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: drm/nvc0/fifo: ignore bits in PFIFO_INTR that aren't set in PFIFO_INTR_EN
2012-09-27crypto: cast5/avx - fix storing of new IV in CBC encryptionJussi Kivilinna
cast5/avx incorrectly XORs new IV over old IV at end of CBC encryption function when it should store. This causes CBC encryption to give incorrect output on multi-page encryption requests. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-09-27sparc64: Add SPARC-T4 optimized memcpy.David S. Miller
Before After -------------- -------------- bw_tcp: 1288.53 MB/sec 1637.77 MB/sec bw_pipe: 1517.18 MB/sec 2107.61 MB/sec bw_unix: 1838.38 MB/sec 2640.91 MB/sec make -s -j128 allmodconfig 5min 49sec 5min 31sec Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-27Merge branch 'rcu/idle' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu Pull the RCU adaptive-idle feature from Paul E. McKenney: "This series adds RCU APIs that allow non-idle tasks to enter RCU idle mode and provides x86 code to make use of them, allowing RCU to treat user-mode execution as an extended quiescent state when the new RCU_USER_QS kernel configuration parameter is specified. Work is in progress to port this to a few other architectures, but is not part of this series." Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-09-27perf/x86: Fix typo in uncore_pmu_to_boxYan, Zheng
The variable box should not be declared as static. This could probably cause crashes with sufficiently parallel uncore PMU use. Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com> Cc: eranian@google.com Cc: a.p.zijlstra@chello.nl Link: http://lkml.kernel.org/r/1348709606-2759-1-git-send-email-zheng.z.yan@intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-09-27crypto: tcrypt - add missing tests for camellia and ghashJussi Kivilinna
Add missing tests for ctr(camellia), lrw(camellia), xts(camellia) and ghash, as these have test vectors available. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-09-27crypto: testmgr - make test_aead also test 'dst != src' code pathsJussi Kivilinna
Currrently test_aead uses same buffer for destination and source. However in any places, 'dst != src' take different path than 'dst == src' case. Therefore make test_aead also run tests with destination buffer being different than source buffer. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-09-27crypto: testmgr - make test_skcipher also test 'dst != src' code pathsJussi Kivilinna
Currrently test_skcipher uses same buffer for destination and source. However in any places, 'dst != src' take different path than 'dst == src' case. Therefore make test_skcipher also run tests with destination buffer being different than source buffer. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-09-27crypto: testmgr - add test vectors for CTR mode IV increasementJussi Kivilinna
More precisely, test 'long word' and 'long long word' overflow and carry handling. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-09-27crypto: testmgr - add test vectors for partial ctr(cast5) and ctr(cast6)Jussi Kivilinna
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-09-27crypto: testmgr - allow non-multi page and multi page skcipher tests from ↵Jussi Kivilinna
same test template Allow non-multi page and multi page skcipher tests to be run on same test template, to avoid duplicating data. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-09-27crypto: caam - increase TRNG clocks per sampleKim Phillips
we need to configure the TRNG to use more clocks per sample to handle the two back-to-back 64KiB random descriptor requests on higher frequency P5040s. Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-09-27crypto, tcrypt: remove local_bh_disable/enable() around ↵Suresh Siddha
local_irq_disable/enable() Ran into this while looking at some new crypto code using FPU hitting a WARN_ON_ONCE(!irq_fpu_usable()) in the kernel_fpu_begin() on a x86 kernel that uses the new eagerfpu model. In short, current eagerfpu changes return 0 for interrupted_kernel_fpu_idle() and the in_interrupt() thinks it is in the interrupt context because of the local_bh_disable(). Thus resulting in the WARN_ON(). Remove the local_bh_disable/enable() calls around the existing local_irq_disable/enable() calls. local_irq_disable/enable() already disables the BH. [ If there are any other legitimate users calling kernel_fpu_begin() from the process context but with BH disabled, then we can look into fixing the irq_fpu_usable() in future. ] Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Tim Chen <tim.c.chen@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-09-27crypto: tegra-aes - fix error return codePeter Senna Tschudin
Convert a nonnegative error return code to a negative one, as returned elsewhere in the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-09-27crypto: crypto4xx - fix error return codePeter Senna Tschudin
Convert a nonnegative error return code to a negative one, as returned elsewhere in the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-09-27crypto: hifn_795x - fix error return codePeter Senna Tschudin
Convert a nonnegative error return code to a negative one, as returned elsewhere in the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-09-27crypto: ux500 - fix error return codePeter Senna Tschudin
Convert a nonnegative error return code to a negative one, as returned elsewhere in the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Reviewed-by: Arun Murthy <arunrmurthy83@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-09-27crypto: caam - fix error IDs for SEC v5.x RNG4Horia Geanta
According to SEC v5.0-v5.3 reference manuals. Signed-off-by: Horia Geanta <horia.geanta@freescale.com> Acked-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-09-26CIFS: Fix possible freed pointer dereference in CIFS_SessSetupPavel Shilovsky
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
2012-09-26CIFS: Fix possible freed pointer dereference in SMB2_sess_setupPavel Shilovsky
and remove redundant (rsp == NULL) checks after SendReceive2. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
2012-09-26CIFS: Make ops->close return voidPavel Shilovsky
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
2012-09-27powerpc/eeh: Don't release eeh_mutex in eeh_phb_pe_getAneesh Kumar K.V
Acked-by: Gavin Shan <shangw@linux.vnet.ibm.com> ===================================== [ BUG: bad unlock balance detected! ] 3.6.0-rc5-00338-gcaa1d63-dirty #6 Not tainted ------------------------------------- swapper/0/1 is trying to release lock (eeh_mutex) at: [<c000000000058218>] .eeh_add_to_parent_pe+0x318/0x410 but there are no more locks to release! other info that might help us debug this: no locks held by swapper/0/1. stack backtrace: Call Trace: [c00000003e483870] [c000000000013310] .show_stack+0x70/0x1c0 (unreliable) [c00000003e483920] [c0000000000d8310] .print_unlock_inbalance_bug+0x110/0x120 [c00000003e4839b0] [c0000000000d9a50] .lock_release+0x1d0/0x240 [c00000003e483a60] [c000000000778064] .__mutex_unlock_slowpath+0xb4/0x250 [c00000003e483b10] [c000000000058218] .eeh_add_to_parent_pe+0x318/0x410 [c00000003e483bc0] [c00000000005a118] .pseries_eeh_of_probe+0x258/0x2f0 [c00000003e483cc0] [c000000000032528] .traverse_pci_devices+0xa8/0x150 [c00000003e483d70] [c000000000aa7288] .eeh_init+0xd4/0x140 [c00000003e483e00] [c00000000000abc4] .do_one_initcall+0x64/0x1e0 [c00000003e483ec0] [c000000000a90418] .kernel_init+0x1e8/0x2bc [c00000003e483f90] [c00000000002048c] .kernel_thread+0x54/0x70 EEH: PCI Enhanced I/O Error Handling Enabled Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-09-27powerpc: Remove tlb batching hack for nighthawkMichael Ellerman
In hpte_init_native() we call tlb_batching_enabled() to decide if we should setup ppc_md.flush_hash_range. tlb_batching_enabled() checks the _unflattened_ device tree, to see if we are running on a nighthawk. Since commit a223535 ("dont allow pSeries_probe to succeed without initialising MMU", Dec 2006), hpte_init_native() has been called from pSeries_probe() - at which point we have not yet unflattened the device tree. This means tlb_batching_enabled() will always return true, so the hack has effectively been disabled since Dec 2006. Ergo, I think we can drop it. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Acked-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-09-27powerpc: Set paca->data_offset = 0 for boot cpuMichael Ellerman
In commit 407821a we assigned a poison value to the paca->data_offset. Unfortunately with CONFIG_LOCK_STAT=y lockdep will read & write to percpu data very early in boot, prior to us initialising the percpu areas, leading to a crash. We have been getting away with this because the data_offset was previously set to zero. This causes lockdep to read & write to the initial copy of the percpu variables, which are discarded later in boot. Although that is "fishy", it does work, and for lock statistics it is no big deal to discard the counts from early boot. So set the paca->data_offset = 0 for the boot cpu paca only. Reported-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Tested-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-09-27powerpc/perf: Sample only if SIAR-Valid bit is set in P7+sukadev@linux.vnet.ibm.com
powerpc/perf: Sample only if SIAR-Valid bit is set in P7+ On POWER7+ two new bits (mmcra[35] and mmcra[36]) indicate whether the contents of SIAR and SDAR are valid. For marked instructions on P7+, we must save the contents of SIAR and SDAR registers only if these new bits are set. This code/check for the SIAR-Valid bit is specific to P7+, so rather than waste a CPU-feature bit use the PVR flag. Note that Carl Love proposed a similar change for oprofile: https://lkml.org/lkml/2012/6/22/309 Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-09-27Merge remote-tracking branch 'kumar/next' into nextBenjamin Herrenschmidt
A few more fsl updates from Kumar
2012-09-27Merge remote-tracking branch 'agust/next' into nextBenjamin Herrenschmidt
mpc5xxx updates from Anatolij
2012-09-27md/raid10: fix "enough" function for detecting if array is failed.NeilBrown
The 'enough' function is written to work with 'near' arrays only in that is implicitly assumes that the offset from one 'group' of devices to the next is the same as the number of copies. In reality it is the number of 'near' copies. So change it to make this number explicit. This bug makes it possible to run arrays without enough drives present, which is dangerous. It is appropriate for an -stable kernel, but will almost certainly need to be modified for some of them. Cc: stable@vger.kernel.org Reported-by: Jakub Husák <jakub@gooseman.cz> Signed-off-by: NeilBrown <neilb@suse.de>
2012-09-26coredump: prevent double-free on an error path in core dumperDenys Vlasenko
In !CORE_DUMP_USE_REGSET case, if elf_note_info_init fails to allocate memory for info->fields, it frees already allocated stuff and returns error to its caller, fill_note_info. Which in turn returns error to its caller, elf_core_dump. Which jumps to cleanup label and calls free_note_info, which will happily try to free all info->fields again. BOOM. This is the fix. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Cc: Venu Byravarasu <vbyravarasu@nvidia.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2012-09-26usb/gadget: fix misannotationsAl Viro
__user * != * __user Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26fcntl: fix misannotationsAl Viro
__user * != * __user... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26ceph: don't abuse d_delete() on failure exitsAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26hypfs: ->d_parent is never NULL or negativeAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26vfs: delete surplus inode NULL checkAlan Cox
Each iteration of d_delete we reload inode from dentry->d_inode and then call S_ISDIR(inode-i_mode), so inode cannot possibly be NULL shortly afterwards unless something went horribly wrong. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26switch simple cases of fget_light to fdgetAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26new helpers: fdget()/fdput()Al Viro
Signed-off-bs: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26switch o2hb_region_dev_write() to fget_light()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26proc_map_files_readdir(): don't bother with grabbing filesAl Viro
all we need is their ->f_mode, so just collect _that_ Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26make get_file() return its argumentAl Viro
simplifies a bunch of callers... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26vhost_set_vring(): turn pollstart/pollstop into boolAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26switch prctl_set_mm_exe_file() to fget_light()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26switch xfs_find_handle() to fget_light()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26switch xfs_swapext() to fget_light()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26switch coda get_device_index() to fget_light()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26switch infinibarf users of fget() to fget_light()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26switch vfio_group_set_container() to fget_light()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26switch btrfs_ioctl_clone() to fget_light()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-09-26switch mqueue syscalls to fget_light()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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