Commit ffa4d721 authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller

[NETLINK]: don't reinitialize callback mutex

Don't reinitialize the callback mutex the netlink_kernel_create caller
handed in, it is supposed to already be initialized and could already
be held by someone.
Signed-off-by: default avatarPatrick McHardy <>
Signed-off-by: default avatarDavid S. Miller <>
parent 6313c1e0
......@@ -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;
if (cb_mutex)
nlk->cb_mutex = cb_mutex;
else {
nlk->cb_mutex = &nlk->cb_def_mutex;
sk->sk_destruct = netlink_sock_destruct;
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