diff options
| author | Takashi Iwai <tiwai@suse.de> | 2013-04-25 15:02:35 +0400 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-04-25 15:02:35 +0400 |
| commit | 2fc565e4eaf8fc633bfc741b90e1f28dba732ee1 (patch) | |
| tree | 98c994692f84aee07cf1c7b4cda245ae5235a94d /net/ipv4/tcp_output.c | |
| parent | 7fc7d047216aa4923d401c637be2ebc6e3d5bd9b (diff) | |
| parent | 5cc50fc858a5ab37dc2744d72d7ffed96f23afd8 (diff) | |
| download | linux-2fc565e4eaf8fc633bfc741b90e1f28dba732ee1.tar.xz | |
Merge tag 'asoc-v3.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: More updates for v3.10
A few more fixes, nothing too major though the DMA changes fix modular
builds.
Diffstat (limited to 'net/ipv4/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index b44cf81d8178..509912a5ff98 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2388,8 +2388,12 @@ int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) */ TCP_SKB_CB(skb)->when = tcp_time_stamp; - /* make sure skb->data is aligned on arches that require it */ - if (unlikely(NET_IP_ALIGN && ((unsigned long)skb->data & 3))) { + /* make sure skb->data is aligned on arches that require it + * and check if ack-trimming & collapsing extended the headroom + * beyond what csum_start can cover. + */ + if (unlikely((NET_IP_ALIGN && ((unsigned long)skb->data & 3)) || + skb_headroom(skb) >= 0xFFFF)) { struct sk_buff *nskb = __pskb_copy(skb, MAX_TCP_HEADER, GFP_ATOMIC); return nskb ? tcp_transmit_skb(sk, nskb, 0, GFP_ATOMIC) : |