[-next,media] em28xx-audio: remove needless check before usb_free_coherent()
Commit Message
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
usb_free_coherent() is safe with NULL addr and this check is
not required.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
drivers/media/usb/em28xx/em28xx-audio.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
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@@ -695,11 +695,9 @@ static void em28xx_audio_free_urb(struct em28xx *dev)
if (!urb)
continue;
- if (dev->adev.transfer_buffer[i])
- usb_free_coherent(dev->udev,
- urb->transfer_buffer_length,
- dev->adev.transfer_buffer[i],
- urb->transfer_dma);
+ usb_free_coherent(dev->udev, urb->transfer_buffer_length,
+ dev->adev.transfer_buffer[i],
+ urb->transfer_dma);
usb_free_urb(urb);
}