]> git.baikalelectronics.ru Git - kernel.git/commit
xdp: linearize skb in netif_receive_generic_xdp()
authorSong Liu <songliubraving@fb.com>
Fri, 15 Dec 2017 01:17:56 +0000 (17:17 -0800)
committerDaniel Borkmann <daniel@iogearbox.net>
Fri, 15 Dec 2017 13:34:36 +0000 (14:34 +0100)
commit28b273df402f3edb65ff602aaa37f73ccd5873b3
treed21c62dc68e76e58c452fd2a04a6a0883227742e
parent435980621a2f2392bf182b14886d91cf928a05c3
xdp: linearize skb in netif_receive_generic_xdp()

In netif_receive_generic_xdp(), it is necessary to linearize all
nonlinear skb. However, in current implementation, skb with
troom <= 0 are not linearized. This patch fixes this by calling
skb_linearize() for all nonlinear skb.

Fixes: c422ef92eaf8 ("bpf: add meta pointer for direct access")
Signed-off-by: Song Liu <songliubraving@fb.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
net/core/dev.c