[PATCH] media: vimc: fix start stream when link is disabled

[Helen Koike]

If link is disabled, media_entity_remote_pad returns NULL, causing a
NULL pointer deference.
Ignore links that are not enabled instead.

Signed-off-by: Helen Koike <helen.ko...@collabora.com>

---

 drivers/media/platform/vimc/vimc-common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/platform/vimc/vimc-common.c 
b/drivers/media/platform/vimc/vimc-common.c
index dee1b9dfc4f6..867e24dbd6b5 100644
--- a/drivers/media/platform/vimc/vimc-common.c
+++ b/drivers/media/platform/vimc/vimc-common.c
@@ -276,6 +276,8 @@ int vimc_pipeline_s_stream(struct media_entity *ent, int 
enable)
 
                /* Start the stream in the subdevice direct connected */
                pad = media_entity_remote_pad(&ent->pads[i]);
+               if (!pad)
+                       continue;
 
                if (!is_media_entity_v4l2_subdev(pad->entity))
                        return -EINVAL;
-- 
2.19.1