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(parent: 684ee45) | patch
lib/gcd.c: prevent possible div by 0
authorDavidlohr Bueso <dave@gnu.org>
Fri, 5 Oct 2012 00:13:18 +0000 (17:13 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 5 Oct 2012 18:04:57 +0000 (03:04 +0900)
commit0aa78a06d0fe26cbfd593aa7c421fea4bceeabd3
tree4d33caeb4dc7584832945427ed8890b3e5c856dbtree | snapshot
parent684ee45775f08b07abc3014acd3a9ba93fd9f231commit | diff
lib/gcd.c: prevent possible div by 0

Account for all properties when a and/or b are 0:
gcd(0, 0) = 0
gcd(a, 0) = a
gcd(0, b) = b

Fixes no known problems in current kernels.

Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
lib/gcd.c diff | blob | history
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