tcp: two more missing bh disable
percpu_counter only have protection against preemption.
TCP stack uses them possibly from BH, so we need BH protection
in contexts that could be run in process context
Fixes: c10d9310edf5 ("tcp: do not assume TCP code is non preemptible")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 761bc49..a7ab947 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1839,7 +1839,9 @@
tcp_free_fastopen_req(tp);
tcp_saved_syn_free(tp);
+ local_bh_disable();
sk_sockets_allocated_dec(sk);
+ local_bh_enable();
if (mem_cgroup_sockets_enabled && sk->sk_memcg)
sock_release_memcg(sk);