[PATCH v2] media: imx: fix a potential memory leak in imx_media_csc_scaler_device_init()

[Haoxiang Li]

Add video_device_release() in label 'err_m2m' to release the memory
allocated by video_device_alloc() and prevent potential memory leaks.
Remove the reduntant code in label 'err_m2m'.

Fixes: a8ef0488cc59 ("media: imx: add csc/scaler mem2mem device")
Cc: stable at vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024 at 163.com>
---
Changes in v2:
- Remove the reduntant code. Thanks, Dan!
---
 drivers/staging/media/imx/imx-media-csc-scaler.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/imx/imx-media-csc-scaler.c b/drivers/staging/media/imx/imx-media-csc-scaler.c
index e5e08c6f79f2..19fd31cb9bb0 100644
--- a/drivers/staging/media/imx/imx-media-csc-scaler.c
+++ b/drivers/staging/media/imx/imx-media-csc-scaler.c
@@ -912,7 +912,7 @@ imx_media_csc_scaler_device_init(struct imx_media_dev *md)
 	return &priv->vdev;
 
 err_m2m:
-	video_set_drvdata(vfd, NULL);
+	video_device_release(vfd);
 err_vfd:
 	kfree(priv);
 	return ERR_PTR(ret);
-- 
2.25.1