Commit c100c8f4 authored by David S. Miller's avatar David S. Miller

appletalk: Fix OOPS in atalk_release().

Commit 60d9f461 ("appletalk: remove
the BKL") added a dereference of "sk" before checking for NULL in
atalk_release().

Guard the code block completely, rather than partially, with the
NULL check.
Reported-by: default avatarDave Jones <davej@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c3794745
......@@ -1051,16 +1051,17 @@ static int atalk_release(struct socket *sock)
{
struct sock *sk = sock->sk;
if (sk) {
sock_hold(sk);
lock_sock(sk);
if (sk) {
sock_orphan(sk);
sock->sk = NULL;
atalk_destroy_socket(sk);
}
release_sock(sk);
sock_put(sk);
}
return 0;
}
......
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