diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-05-27 15:16:37 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-05-27 15:16:37 +0000 |
| commit | 95d801c59d18de6b463d1b815180cd85ad3ca95a (patch) | |
| tree | ed811fadf71d0924263634767fd26d939d0621cd | |
| parent | fe77f5d92219c04614c22fd46d1c521dfe72cd7b (diff) | |
kernel: properly pad the allocated headroom in skb_cow to NET_SKB_PAD
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31906 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -rw-r--r-- | target/linux/generic/patches-3.3/654-avoid_skb_cow_realloc.patch | 3 |
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) |