bpf: add own ctx rewriter on ifindex for clsact progs
authorDaniel Borkmann <daniel@iogearbox.net>
Fri, 9 Sep 2016 00:45:30 +0000 (02:45 +0200)
committerDavid S. Miller <davem@davemloft.net>
Sat, 10 Sep 2016 02:36:04 +0000 (19:36 -0700)
commit59b05bd722b49f56e7b7c7009e3b2bcf181fff7d
tree3521b6faa6bf34b90ad0c4b8b733a018e858c119
parent48d2c7501152ef5b341a1ab4183692e6de5f6d85
bpf: add own ctx rewriter on ifindex for clsact progs

When fetching ifindex, we don't need to test dev for being NULL since
we're always guaranteed to have a valid dev for clsact programs. Thus,
avoid this test in fast path.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/filter.c