[MPTCP] [PATCH v2 14/25] tcp_extra_options: Check static branch before _parse

Signed-off-by: Christoph Paasch <cpaasch(a)apple.com&gt; --- net/ipv4/tcp_input.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 4e84f299c96f..7acc1f46641c 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -3799,9 +3799,11 @@ void tcp_parse_options(const struct net *net, break; default: - tcp_extra_options_parse(opcode, opsize, ptr, - skb, opt_rx, - tcp_to_sk(tp)); + if (static_branch_unlikely(&tcp_extra_options_enabled)) + tcp_extra_options_parse(opcode, opsize, + ptr, skb, + opt_rx, + tcp_to_sk(tp)); break; } -- 2.15.0