diff options
| author | Matt Fleming <matt.fleming@intel.com> | 2013-04-30 11:30:24 +0100 |
|---|---|---|
| committer | Matt Fleming <matt.fleming@intel.com> | 2013-04-30 11:42:13 +0100 |
| commit | a614e1923d5389d01f3545ee4a90e39a04d0c90d (patch) | |
| tree | e8e32dba12a66ffd26d78f015a142ac28e19ad8e /net/ipv4/tcp_output.c | |
| parent | f53f292eeaa234615c31a1306babe703fc4263f2 (diff) | |
| parent | c1be5a5b1b355d40e6cf79cc979eb66dafa24ad1 (diff) | |
Merge tag 'v3.9' into efi-for-tip2
Resolve conflicts for Ingo.
Conflicts:
drivers/firmware/Kconfig
drivers/firmware/efivars.c
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Diffstat (limited to 'net/ipv4/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 5d0b4387cba..509912a5ff9 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) : @@ -2709,6 +2713,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst, skb_reserve(skb, MAX_TCP_HEADER); skb_dst_set(skb, dst); + security_skb_owned_by(skb, sk); mss = dst_metric_advmss(dst); if (tp->rx_opt.user_mss && tp->rx_opt.user_mss < mss) |