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[media] em28xx-audio: remove needless check before usb_free_coherent() 

usb_free_coherent() is safe with NULL addr and this check is
not required.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
hifive-unleashed-5.1
Wei Yongjun 2014-01-15 02:52:12 -03:00 committed by Mauro Carvalho Chehab
parent 793708ffff
commit ff0284cc0b
1 changed files with 3 additions and 5 deletions
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8
drivers/media/usb/em28xx/em28xx-audio.c
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@ -711,11 +711,9 @@ 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);
}