From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 19 Jul 2016 21:24:26 +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/media/pci/tw686x/tw686x-video.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/media/pci/tw686x/tw686x-video.c b/drivers/media/pci/tw686x/tw686x-video.c
index cdb16de..4475a9d9 100644
--- a/drivers/media/pci/tw686x/tw686x-video.c
+++ b/drivers/media/pci/tw686x/tw686x-video.c
@@ -1093,8 +1093,7 @@ void tw686x_video_free(struct tw686x_dev *dev)
for (ch = 0; ch < max_channels(dev); ch++) {
struct tw686x_video_channel *vc = &dev->video_channels[ch];
- if (vc->device)
- video_unregister_device(vc->device);
+ video_unregister_device(vc->device);
if (dev->dma_ops->free)
for (pb = 0; pb < 2; pb++)
--
2.9.2
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