[AX.25]: Fix unchecked ax25_listen_register uses

Fix ax25_listen_register to return something that's a sane error code,
then all callers to use it.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 1605069e5db1..09f8a06bf806 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1314,7 +1314,8 @@ static int rose_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                 if (copy_from_user(&rose_callsign, argp, sizeof(ax25_address)))
                         return -EFAULT;
                 if (ax25cmp(&rose_callsign, &null_ax25_address) != 0)
-                        ax25_listen_register(&rose_callsign, NULL);
+                        return ax25_listen_register(&rose_callsign, NULL);
+
                 return 0;
 
         case SIOCRSGL2CALL: