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authorDavid S. Miller <davem@davemloft.net>2018-10-04 00:00:17 -0400
committerDavid S. Miller <davem@davemloft.net>2018-10-04 00:00:17 -0400
commit6f41617bf23a17d9cb7cc6ca8161534f05f80293 (patch)
tree2844d8d197a61b0603e31f09613e3272635dd1cc /net/ipv4/tcp_input.c
parent7bdaae270cb55d40b7fb73744c7e00a7108ee5b6 (diff)
parentcec4de302c5ff2c5eb3bfcb0c4845a095f5149b9 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor conflict in net/core/rtnetlink.c, David Ahern's bug fix in 'net' overlapped the renaming of a netlink attribute in net-next. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r--net/ipv4/tcp_input.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index bf1aac315490..188980c58f87 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -6002,11 +6002,13 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb)
6002 if (th->fin) 6002 if (th->fin)
6003 goto discard; 6003 goto discard;
6004 /* It is possible that we process SYN packets from backlog, 6004 /* It is possible that we process SYN packets from backlog,
6005 * so we need to make sure to disable BH right there. 6005 * so we need to make sure to disable BH and RCU right there.
6006 */ 6006 */
6007 rcu_read_lock();
6007 local_bh_disable(); 6008 local_bh_disable();
6008 acceptable = icsk->icsk_af_ops->conn_request(sk, skb) >= 0; 6009 acceptable = icsk->icsk_af_ops->conn_request(sk, skb) >= 0;
6009 local_bh_enable(); 6010 local_bh_enable();
6011 rcu_read_unlock();
6010 6012
6011 if (!acceptable) 6013 if (!acceptable)
6012 return 1; 6014 return 1;