irda: Sock leak on error path in irda_create.
Bad type/protocol specified result in sk leak.
Fix is simple - release the sk if bad values are given,
but to make it possible just to call sk_free(), I move
some sk initialization a bit lower.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index ae54b20..3eb5bcc 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1093,11 +1093,6 @@
init_waitqueue_head(&self->query_wait);
- /* Initialise networking socket struct */
- sock_init_data(sock, sk); /* Note : set sk->sk_refcnt to 1 */
- sk->sk_family = PF_IRDA;
- sk->sk_protocol = protocol;
-
switch (sock->type) {
case SOCK_STREAM:
sock->ops = &irda_stream_ops;
@@ -1124,13 +1119,20 @@
self->max_sdu_size_rx = TTP_SAR_UNBOUND;
break;
default:
+ sk_free(sk);
return -ESOCKTNOSUPPORT;
}
break;
default:
+ sk_free(sk);
return -ESOCKTNOSUPPORT;
}
+ /* Initialise networking socket struct */
+ sock_init_data(sock, sk); /* Note : set sk->sk_refcnt to 1 */
+ sk->sk_family = PF_IRDA;
+ sk->sk_protocol = protocol;
+
/* Register as a client with IrLMP */
self->ckey = irlmp_register_client(0, NULL, NULL, NULL);
self->mask.word = 0xffff;