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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2015-07-06 17:07:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-07-06 17:07:56 -0700 |
| commit | c7e9ad7da219cf3f8a7cc45eb1c02fdd91199e8d (patch) | |
| tree | 3c4667adbb13c479ed7f65e0349d4f1f507d0082 /arch | |
| parent | Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 (diff) | |
| parent | perf/x86: Fix copy_from_user_nmi() return if range is not ok (diff) | |
| download | linux-dev-c7e9ad7da219cf3f8a7cc45eb1c02fdd91199e8d.tar.xz linux-dev-c7e9ad7da219cf3f8a7cc45eb1c02fdd91199e8d.zip | |
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
- fix the perf build, by fixing the rbtree.c sharing bug between kernel
and tools/perf by creating a local copy of rbtree.c (more will be
done for v4.3)
- fix an AUX buffer (Intel-PT support) refcounting bug
- fix copy_from_user_nmi() return value"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86: Fix copy_from_user_nmi() return if range is not ok
perf: Fix AUX buffer refcounting
tools: Copy rbtree_augmented.h from the kernel
tools: Move rbtree.h from tools/perf/
tools: Copy lib/rbtree.c to tools/lib/
perf tools: Copy rbtree.h from the kernel
tools: Adopt {READ,WRITE_ONCE} from the kernel
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/lib/usercopy.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/lib/usercopy.c b/arch/x86/lib/usercopy.c index ddf9ecb53cc3..e342586db6e4 100644 --- a/arch/x86/lib/usercopy.c +++ b/arch/x86/lib/usercopy.c @@ -20,7 +20,7 @@ copy_from_user_nmi(void *to, const void __user *from, unsigned long n) unsigned long ret; if (__range_not_ok(from, n, TASK_SIZE)) - return 0; + return n; /* * Even though this function is typically called from NMI/IRQ context |