Willem de Bruijn 554b9698bd packet: only test po->has_vnet_hdr once in packet_snd ... commit da7c9561015e93d10fe6aab73e9288e0d09d65a6 upstream. 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: bfd5f4a3d6 ("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> [bwh: Backported to 3.2: adjust context] Signed-off-by: Ben Hutchings <ben@decadent.org.uk>		2019-07-27 21:45:34 +02:00
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af_packet.c	packet: only test po->has_vnet_hdr once in packet_snd	2019-07-27 21:45:34 +02:00
diag.c
internal.h
Kconfig
Makefile