git.karo-electronics.de Git - karo-tx-linux.git/commit

author	Davidlohr Bueso <dave@gnu.org>
	Fri, 5 Oct 2012 00:13:18 +0000 (17:13 -0700)
committer	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
	Fri, 12 Oct 2012 20:50:19 +0000 (05:50 +0900)
commit	5761d00bf5760f044224fd7a7500942ff7ba973c
tree	e7aae2fa0267e858fa0b327f4aad7da6831ca015	tree \| snapshot
parent	fdb540f319a7a93ada40636c6313bb8e10438ca7	commit \| 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>