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| author | Willem de Bruijn <willemb@google.com> | 2018-05-17 19:13:29 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-05-17 23:05:01 +0200 |
| commit | 113f99c3358564a0647d444c2ae34e8b1abfd5b9 (patch) | |
| tree | 9f8a2ef799de5be76bb83fb73524b2575a5759af /block/blk-mq-sysfs.c | |
| parent | Merge branch 'ip6_gre-Fixes-in-headroom-handling' (diff) | |
| download | linux-113f99c3358564a0647d444c2ae34e8b1abfd5b9.tar.xz linux-113f99c3358564a0647d444c2ae34e8b1abfd5b9.zip | |
net: test tailroom before appending to linear skb
Device features may change during transmission. In particular with
corking, a device may toggle scatter-gather in between allocating
and writing to an skb.
Do not unconditionally assume that !NETIF_F_SG at write time implies
that the same held at alloc time and thus the skb has sufficient
tailroom.
This issue predates git history.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'block/blk-mq-sysfs.c')
0 files changed, 0 insertions, 0 deletions