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| author | codeworkx <codeworkx@cyanogenmod.com> | 2012-09-22 09:48:20 +0200 |
|---|---|---|
| committer | codeworkx <codeworkx@cyanogenmod.com> | 2012-09-22 14:02:16 +0200 |
| commit | 2489007e7d740ccbc3e0a202914e243ad5178787 (patch) | |
| tree | b8e6380ea7b1da63474ad68a5dba997e01146043 /net/ipv4/tcp_output.c | |
| parent | 5f67568eb31e3a813c7c52461dcf66ade15fc2e7 (diff) | |
| download | kernel_samsung_smdk4412-2489007e7d740ccbc3e0a202914e243ad5178787.zip kernel_samsung_smdk4412-2489007e7d740ccbc3e0a202914e243ad5178787.tar.gz kernel_samsung_smdk4412-2489007e7d740ccbc3e0a202914e243ad5178787.tar.bz2 | |
merge opensource jb u5
Change-Id: I1aaec157aa196f3448eff8636134fce89a814cf2
Diffstat (limited to 'net/ipv4/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index faf257b..b764e2a 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2138,7 +2138,16 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) */ TCP_SKB_CB(skb)->when = tcp_time_stamp; - err = tcp_transmit_skb(sk, skb, 1, GFP_ATOMIC); + /* make sure skb->data is aligned on arches that require it */ + if (unlikely(NET_IP_ALIGN && ((unsigned long)skb->data & 3))) { + struct sk_buff *nskb = __pskb_copy(skb, MAX_TCP_HEADER, + GFP_ATOMIC); + err = nskb ? tcp_transmit_skb(sk, nskb, 0, GFP_ATOMIC) : + -ENOBUFS; + } else { + err = tcp_transmit_skb(sk, skb, 1, GFP_ATOMIC); + } + if (err == 0) { /* Update global TCP statistics. */ |