net/irda: add missing error path release_sock call

This makes sure that release_sock is called for all error conditions in
irda_getsockopt.

Signed-off-by: Kees Cook <keescook@chromium.org>
Reported-by: Brad Spengler <spender@grsecurity.net>
Cc: stable@vger.kernel.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 d07e3a6..d28e7f0 100644 (file)
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -2583,8 +2583,10 @@ bed:
                                    NULL, NULL, NULL);
 
                /* Check if the we got some results */
-               if (!self->cachedaddr)
-                       return -EAGAIN;         /* Didn't find any devices */
+               if (!self->cachedaddr) {
+                       err = -EAGAIN;          /* Didn't find any devices */
+                       goto out;
+               }
                daddr = self->cachedaddr;
                /* Cleanup */
                self->cachedaddr = 0;