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-rw-r--r--net/netlink/af_netlink.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index ec16c9b7b3b..64d4b27f25a 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -388,8 +388,12 @@ static int __netlink_create(struct socket *sock, struct mutex *cb_mutex,
sock_init_data(sock, sk);
nlk = nlk_sk(sk);
- nlk->cb_mutex = cb_mutex ? : &nlk->cb_def_mutex;
- mutex_init(nlk->cb_mutex);
+ if (cb_mutex)
+ nlk->cb_mutex = cb_mutex;
+ else {
+ nlk->cb_mutex = &nlk->cb_def_mutex;
+ mutex_init(nlk->cb_mutex);
+ }
init_waitqueue_head(&nlk->wait);
sk->sk_destruct = netlink_sock_destruct;