diff options
| author | Willem de Bruijn <willemb@google.com> | 2017-09-26 12:20:17 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-21 17:09:03 +0200 |
| commit | 1299f7e17e9e442be49a9b6011f6fe5259960ebb (patch) | |
| tree | ed8a24143fa70410a8a4a25e25f2feab1e9302d7 /net/tipc/msg.c | |
| parent | 1b6c80e797eeadf643861f8340ed5791d813d80c (diff) | |
packet: only test po->has_vnet_hdr once in packet_snd
[ Upstream commit da7c9561015e93d10fe6aab73e9288e0d09d65a6 ]
Packet socket option po->has_vnet_hdr can be updated concurrently with
other operations if no ring is attached.
Do not test the option twice in packet_snd, as the value may change in
between calls. A race on setsockopt disable may cause a packet > mtu
to be sent without having GSO options set.
Fixes: bfd5f4a3d605 ("packet: Add GSO/csum offload support.")
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/tipc/msg.c')
0 files changed, 0 insertions, 0 deletions