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Subject[PATCH] media: v4l2-core: fix entity initialization in device_register_subdev
Date
The check for parameters is done below in the function.
Initialize the entity variable properly, after the parameters
have been checked.

Fixes: 61f5db549dde ("[media] v4l: Make v4l2_subdev inherit from media_entity")
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
drivers/media/v4l2-core/v4l2-device.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/v4l2-core/v4l2-device.c b/drivers/media/v4l2-core/v4l2-device.c
index 63d6b147b21e..6e33132ebb19 100644
--- a/drivers/media/v4l2-core/v4l2-device.c
+++ b/drivers/media/v4l2-core/v4l2-device.c
@@ -112,7 +112,7 @@ int v4l2_device_register_subdev(struct v4l2_device *v4l2_dev,
struct v4l2_subdev *sd)
{
#if defined(CONFIG_MEDIA_CONTROLLER)
- struct media_entity *entity = &sd->entity;
+ struct media_entity *entity;
#endif
int err;

@@ -141,6 +141,7 @@ int v4l2_device_register_subdev(struct v4l2_device *v4l2_dev,
goto error_module;

#if defined(CONFIG_MEDIA_CONTROLLER)
+ entity = &sd->entity;
/* Register the entity. */
if (v4l2_dev->mdev) {
err = media_device_register_entity(v4l2_dev->mdev, entity);
--
2.20.1
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