uwb: adds missing error handling

There is checking NULL before dereferncing but
it need to add "return".

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/uwb/drp.c b/drivers/uwb/drp.c
index 16ada8341c46..1a2fd9795367 100644
--- a/drivers/uwb/drp.c
+++ b/drivers/uwb/drp.c
@@ -599,8 +599,11 @@ static void uwb_drp_handle_alien_drp(struct uwb_rc *rc, struct uwb_ie_drp *drp_i
 
         /* alloc and initialize new uwb_cnflt_alien */
         cnflt = kzalloc(sizeof(struct uwb_cnflt_alien), GFP_KERNEL);
-        if (!cnflt)
+        if (!cnflt) {
                 dev_err(dev, "failed to alloc uwb_cnflt_alien struct\n");
+                return;
+        }
+
         INIT_LIST_HEAD(&cnflt->rc_node);
         init_timer(&cnflt->timer);
         cnflt->timer.function = uwb_cnflt_timer;