Mesa (master): st/omx/enc: check uninitialized list from task release

[Leo Liu]

Module: Mesa
Branch: master
Commit: b9d10e79c88842ba05d6937a3803cb5740b866da
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b9d10e79c88842ba05d6937a3803cb5740b866da

Author: Leo Liu <leo.liu at amd.com>
Date:   Mon Jul 11 15:27:16 2016 -0400

st/omx/enc: check uninitialized list from task release

The uninitialized list should be checked and returned.

Thank Julien for the notification and suggested fix.

Signed-off-by: Leo Liu <leo.liu at amd.com>
Cc: "12.0" <mesa-stable at lists.freedesktop.org>

---

 src/gallium/state_trackers/omx/vid_enc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gallium/state_trackers/omx/vid_enc.c b/src/gallium/state_trackers/omx/vid_enc.c
index bbc7941..642238e 100644
--- a/src/gallium/state_trackers/omx/vid_enc.c
+++ b/src/gallium/state_trackers/omx/vid_enc.c
@@ -874,8 +874,8 @@ static void enc_ReleaseTasks(struct list_head *head)
 {
    struct encode_task *i, *next;
 
-   if (!head)
-	   return;
+   if (!head || !head->next)
+      return;
 
    LIST_FOR_EACH_ENTRY_SAFE(i, next, head, list) {
       pipe_resource_reference(&i->bitstream, NULL);