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(parent: 38ad8e9) | 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)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 17 Oct 2012 02:49:37 +0000 (03:49 +0100)
commit0ae961fe09b82f5b073420233bca2475a814d75b
tree02f8e3a782bc935bb431fe96bc9215f3eec4d742tree | snapshot
parent38ad8e94283a9b130d17407bfaa023b69bfd0224commit | diff
lib/gcd.c: prevent possible div by 0

commit e96875677fb2b7cb739c5d7769824dff7260d31d upstream.

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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
lib/gcd.c diff | blob | history
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