Mesa (master): st/omx: Avoid segfault in deconstructor if constructor fails

[Marek Olšák]

Module: Mesa
Branch: master
Commit: 56fc2986d554b93d16fa1151765a9987bc42e4da
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=56fc2986d554b93d16fa1151765a9987bc42e4da

Author: Tom St Denis <tom.stdenis at amd.com>
Date:   Tue Nov  3 12:41:54 2015 -0500

st/omx: Avoid segfault in deconstructor if constructor fails

If the constructor fails before the LIST_INIT calls the pointers
will be null and the deconstructor will segfault.

Signed-off-by: Tom St Denis <tom.stdenis at amd.com>
Reviewed-by: Leo Liu <leo.liu at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com>

---

 src/gallium/state_trackers/omx/vid_enc.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/state_trackers/omx/vid_enc.c b/src/gallium/state_trackers/omx/vid_enc.c
index aa45089..df22a97 100644
--- a/src/gallium/state_trackers/omx/vid_enc.c
+++ b/src/gallium/state_trackers/omx/vid_enc.c
@@ -869,6 +869,9 @@ static void enc_ReleaseTasks(struct list_head *head)
 {
    struct encode_task *i, *next;
 
+   if (!head)
+	   return;
+
    LIST_FOR_EACH_ENTRY_SAFE(i, next, head, list) {
       pipe_resource_reference(&i->bitstream, NULL);
       i->buf->destroy(i->buf);