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authorFelix Fietkau <nbd@openwrt.org>2012-05-27 15:16:37 +0000
committerFelix Fietkau <nbd@openwrt.org>2012-05-27 15:16:37 +0000
commit51bc47ce7cf79f39437f65411a7f0c5a316c9a28 (patch)
treeb85aae75cef78c7b3e9449b0c6b4aa53dcb70859 /target/linux/generic/patches-3.3
parent0b8c1c8dfbbd6a86be4b12bf4a625f44e75a461c (diff)
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kernel: properly pad the allocated headroom in skb_cow to NET_SKB_PAD
SVN-Revision: 31906
Diffstat (limited to 'target/linux/generic/patches-3.3')
-rw-r--r--target/linux/generic/patches-3.3/654-avoid_skb_cow_realloc.patch3
1 files changed, 2 insertions, 1 deletions
diff --git a/target/linux/generic/patches-3.3/654-avoid_skb_cow_realloc.patch b/target/linux/generic/patches-3.3/654-avoid_skb_cow_realloc.patch
index dfa98198ed..5b2537127f 100644
--- a/target/linux/generic/patches-3.3/654-avoid_skb_cow_realloc.patch
+++ b/target/linux/generic/patches-3.3/654-avoid_skb_cow_realloc.patch
@@ -10,10 +10,11 @@
if (headroom < NET_SKB_PAD)
- headroom = NET_SKB_PAD;
- if (headroom > skb_headroom(skb))
+- delta = headroom - skb_headroom(skb);
+ alloc_headroom = NET_SKB_PAD;
+ if (headroom > skb_headroom(skb) ||
+ (cloned && alloc_headroom > skb_headroom(skb))) {
- delta = headroom - skb_headroom(skb);
++ delta = alloc_headroom - skb_headroom(skb);
+ }
if (delta || cloned)