[PATCH v4 9/9] media: v4l: subdev: Warn on stream when accessing stream-unaware data

[Sakari Ailus <sakari.ailus@linux.intel.com>]

Warn if the stream is set ot a non-zero value on sub-device pad state
access functions. A driver bug is required for triggering the warning.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/media/v4l2-core/v4l2-subdev.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
index bd0d89c2996f..b7d2de6e750a 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -1681,7 +1681,7 @@ __v4l2_subdev_state_get_format_stream(struct v4l2_subdev_state *state,
 		return NULL;
 
 	if (state->pads) {
-		if (stream)
+		if (WARN_ON(stream))
 			return NULL;
 
 		if (WARN_ON(pad >= state->sd->entity.num_pads))
@@ -1715,7 +1715,7 @@ __v4l2_subdev_state_get_crop_stream(struct v4l2_subdev_state *state,
 		return NULL;
 
 	if (state->pads) {
-		if (stream)
+		if (WARN_ON(stream))
 			return NULL;
 
 		if (WARN_ON(pad >= state->sd->entity.num_pads))
@@ -1749,7 +1749,7 @@ __v4l2_subdev_state_get_compose_stream(struct v4l2_subdev_state *state,
 		return NULL;
 
 	if (state->pads) {
-		if (stream)
+		if (WARN_ON(stream))
 			return NULL;
 
 		if (WARN_ON(pad >= state->sd->entity.num_pads))
-- 
2.39.2