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| author |   Jan Kara <jack@suse.cz> | 2014-10-29 14:50:44 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-29 16:33:14 -0700 |
| commit | ea5d05b34aca25c066e0699512d0ffbd8ee6ac3e (patch) | |
| tree | 279314a06c4f6211997b53caef834c866f957a6f /mm | |
| parent | drivers/rtc/rtc-bq32k.c: fix register value (diff) | |
| download | linux-dev-ea5d05b34aca25c066e0699512d0ffbd8ee6ac3e.tar.xz linux-dev-ea5d05b34aca25c066e0699512d0ffbd8ee6ac3e.zip | |
lib/bitmap.c: fix undefined shift in __bitmap_shift_{left|right}()
If __bitmap_shift_left() or __bitmap_shift_right() are asked to shift by
a multiple of BITS_PER_LONG, they will try to shift a long value by
BITS_PER_LONG bits which is undefined. Change the functions to avoid
the undefined shift.
Coverity id: 1192175
Coverity id: 1192174
Signed-off-by: Jan Kara <jack@suse.cz>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions