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(parent: ace53b2) | patch
net/packet: Ask driver for protocol if not provided by user
authorMaxim Mikityanskiy <maximmi@mellanox.com>
Thu, 21 Feb 2019 12:40:01 +0000 (12:40 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 22 Feb 2019 20:55:31 +0000 (12:55 -0800)
commit75c65772c3d18447d62d3aca5f91b06c16cc25e4
tree490828ee061c92fe9fccd578de540b5983a23ed3tree
parentace53b2e2945c83850964070af158be01d564e67commit | diff
net/packet: Ask driver for protocol if not provided by user

If a socket was created with socket(AF_PACKET, SOCK_RAW, 0), the
protocol number is unavailable. Try to ask the driver to extract it from
the L2 header in order for skb_try_probe_transport_header to succeed.

Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/packet/af_packet.c diff | blob | history
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