Add return after STACK_UNWIND

We must add a 'return' after a STACK_UNWIND due to a stub creation
failure, because if we dont, we'll end up adding a NULL stub to the
worker thread request queue.

Signed-off-by: Anand V. Avati <avati@amp.gluster.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/xlators/performance/io-threads/src/io-threads.c b/xlators/performance/io-threads/src/io-threads.c
index 3bebb3185..9ace53ba5 100644
--- a/xlators/performance/io-threads/src/io-threads.c
+++ b/xlators/performance/io-threads/src/io-threads.c
@@ -88,6 +88,7 @@ iot_open (call_frame_t *frame,
                 gf_log (this->name, GF_LOG_ERROR,
                                 "cannot get open call stub");
                 STACK_UNWIND (frame, -1, ENOMEM, NULL, 0);
+                return 0;
         }
 	iot_schedule ((iot_conf_t *)this->private, loc->inode, stub);
 
@@ -144,6 +145,7 @@ iot_create (call_frame_t *frame,
                 gf_log (this->name, GF_LOG_ERROR,
                                 "cannot get create call stub");
                 STACK_UNWIND (frame, -1, ENOMEM, NULL, 0);
+                return 0;
         }
         iot_schedule ((iot_conf_t *)this->private, loc->inode, stub);
         return 0;