The patch titled
Subject: lib/gcd.c: prevent possible div by 0
has been added to the -mm tree. Its filename is
lib-gcdc-prevent-possible-div-by-0.patch
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------------------------------------------------------
From: Davidlohr Bueso <dave@xxxxxxx>
Subject: 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
Signed-off-by: Davidlohr Bueso <dave@xxxxxxx>
Cc: Eric Dumazet <eric.dumazet@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/gcd.c | 3 +++
1 file changed, 3 insertions(+)
diff -puN lib/gcd.c~lib-gcdc-prevent-possible-div-by-0 lib/gcd.c
--- a/lib/gcd.c~lib-gcdc-prevent-possible-div-by-0
+++ a/lib/gcd.c
@@ -9,6 +9,9 @@ unsigned long gcd(unsigned long a, unsig
if (a < b)
swap(a, b);
+
+ if (!b)
+ return a;
while ((r = a % b) != 0) {
a = b;
b = r;
_
Patches currently in -mm which might be from dave@xxxxxxx are
oom-remove-deprecated-oom_adj.patch
lib-gcdc-prevent-possible-div-by-0.patch
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