linux/arch/x86
CQ Tang 66db3feb48 x86-64: Fix the failure case in copy_user_handle_tail()
The increment of "to" in copy_user_handle_tail() will have incremented
before a failure has been noted.  This causes us to skip a byte in the
failure case.

Only do the increment when assured there is no failure.

Signed-off-by: CQ Tang <cq.tang@intel.com>
Link: http://lkml.kernel.org/r/20130318150221.8439.993.stgit@phlsvslse11.ph.intel.com
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: <stable@vger.kernel.org>
2013-03-18 11:32:03 -07:00
..
boot Merge branch 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-02-27 16:17:42 -08:00
configs x86: Default to ARCH=x86 to avoid overriding CONFIG_64BIT 2012-12-20 14:37:18 -08:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2013-02-25 15:56:15 -08:00
ia32 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal 2013-03-02 08:34:06 -08:00
include x86, doc: Be explicit about what the x86 struct boot_params requires 2013-03-06 20:34:43 -08:00
kernel perf,x86: fix wrmsr_on_cpu() warning on suspend/resume 2013-03-17 15:44:43 -07:00
kvm hlist: drop the node parameter from iterators 2013-02-27 19:10:24 -08:00
lguest Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-02-21 18:06:55 -08:00
lib x86-64: Fix the failure case in copy_user_handle_tail() 2013-03-18 11:32:03 -07:00
math-emu
mm x86: Do not try to sync identity map for non-mapped pages 2013-03-07 13:23:28 -08:00
net x86: bpf_jit_comp: add pkt_type support 2013-01-30 22:38:34 -05:00
oprofile oprofile, x86: Fix wrapping bug in op_x86_get_ctrl() 2012-10-15 14:38:24 +02:00
pci Bug-fixes: 2013-03-03 14:22:53 -08:00
platform Merge branch 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-02-27 16:17:42 -08:00
power perf,x86: fix kernel crash with PEBS/BTS after suspend/resume 2013-03-15 09:26:35 -07:00
realmode Merge remote-tracking branch 'origin/x86/mm' into x86/mm2 2013-02-01 02:28:36 -08:00
syscalls fix compat truncate/ftruncate 2013-02-25 09:24:55 -05:00
tools Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-02-05 07:57:09 +11:00
um Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal 2013-02-23 18:50:11 -08:00
vdso timers/x86/hpet: Use HPET_COUNTER to specify the hpet counter in vread_hpet() 2013-02-15 12:13:18 +01:00
video
xen xen/pat: Disable PAT using pat_enabled value. 2013-02-28 09:03:00 -05:00
.gitignore
Kbuild
Kconfig Select VIRT_TO_BUS directly where needed 2013-03-12 11:16:40 -07:00
Kconfig.cpu x86, 386 removal: Document Nx586 as a 386 and thus unsupported 2012-11-29 13:28:39 -08:00
Kconfig.debug
Makefile Merge branch 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-02-19 19:12:03 -08:00
Makefile_32.cpu x86, 386 removal: Remove CONFIG_M386 from Kconfig 2012-11-29 13:23:01 -08:00
Makefile.um