]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commit4cca64decceade15ebe21b2a520adcb3667a247b
tree443f9fab6d8907dec07a6c83fee2812c4bf43245
parent9e292f62847aaf08e73de97ae64ff006eb177643
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