tcp_memcontrol: fix reversed if condition

We should only dereference the pointer if it's valid, not the other way
round.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
index 171d7b64f80365048f4cb1e97f5c2aa7aafe1f47..7fed04f875c1acf4448333d18276c928c3a0180a 100644 (file)
--- a/net/ipv4/tcp_memcontrol.c
+++ b/net/ipv4/tcp_memcontrol.c
@@ -44,7 +44,7 @@ static inline struct tcp_memcontrol *tcp_from_cgproto(struct cg_proto *cg_proto)
 
 static void memcg_tcp_enter_memory_pressure(struct sock *sk)
 {
-       if (!sk->sk_cgrp->memory_pressure)
+       if (sk->sk_cgrp->memory_pressure)
                *sk->sk_cgrp->memory_pressure = 1;
 }
 EXPORT_SYMBOL(memcg_tcp_enter_memory_pressure);