From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 17 Jul 2016 22:00:35 +0200
The video_unregister_device() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/staging/media/tw686x-kh/tw686x-kh-video.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/staging/media/tw686x-kh/tw686x-kh-video.c b/drivers/staging/media/tw686x-kh/tw686x-kh-video.c
index 6ecb504..3f2830c 100644
--- a/drivers/staging/media/tw686x-kh/tw686x-kh-video.c
+++ b/drivers/staging/media/tw686x-kh/tw686x-kh-video.c
@@ -643,8 +643,7 @@ void tw686x_kh_video_free(struct tw686x_dev *dev)
struct tw686x_video_channel *vc = &dev->video_channels[ch];
v4l2_ctrl_handler_free(&vc->ctrl_handler);
- if (vc->device)
- video_unregister_device(vc->device);
+ video_unregister_device(vc->device);
vb2_dma_sg_cleanup_ctx(vc->alloc_ctx);
for (n = 0; n < 2; n++) {
struct dma_desc *descs = &vc->sg_tables[n];
--
2.9.1
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