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(parent: d7d7561) | patch
Make sure the value in abs() does not get truncated if it is greater than 2^32
authorRolf Eike Beer <eike-kernel@sf-tec.de>
Tue, 22 Sep 2009 23:44:03 +0000 (16:44 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 23 Sep 2009 14:39:30 +0000 (07:39 -0700)
commita49c59c042c63b432307c1bbf7dac5a104c786e6
tree443f9fab6d8907dec07a6c83fee2812c4bf43245tree | snapshot
parentd7d7561c908afa001ab0fc8212eee94731a213a6commit | diff
Make sure the value in abs() does not get truncated if it is greater than 2^32

abs() will truncate the input if is it outside the 2^32 range.  Fix that
by assuming `long' input.

This might generate worse code in the common case.

Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/kernel.h diff | blob | history
Beck SC1x5 Kernel