From: Helen Fornazier helen.koike@collabora.com
[ Upstream commit e159b6074c82fe31b79aad672e02fa204dbbc6d8 ]
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.koike@collabora.com Signed-off-by: Mauro Carvalho Chehab mchehab+samsung@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 743554de724d8..a9ab3871ccda2 100644 --- a/drivers/media/platform/vimc/vimc-common.c +++ b/drivers/media/platform/vimc/vimc-common.c @@ -241,6 +241,8 @@ 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;