net: filter: remove unused variable and fix warning
authorJakub Kicinski <jakub.kicinski@netronome.com>
Mon, 30 Oct 2017 20:46:47 +0000 (13:46 -0700)
committerDavid S. Miller <davem@davemloft.net>
Tue, 31 Oct 2017 00:18:04 +0000 (09:18 +0900)
commitaa2bc739ef4a181a7589eb009be96a870cc1788f
treee5108eb9540716c493efef696228da791bee0b89
parente1ea2f9856b765a2eaabb403a6751f70efc9ba4c
net: filter: remove unused variable and fix warning

bpf_getsockopt bpf call sets the ret variable to zero and
never changes it.  What's worse in case CONFIG_INET is
not selected the variable is completely unused generating
a warning.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Lawrence Brakmo <brakmo@fb.com>
Acked-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