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[media] gspca: remove needless check before usb_free_coherent()

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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 <mchehab@redhat.com>
This commit is contained in:
Wei Yongjun 2013-03-20 11:30:46 -03:00 committed by Mauro Carvalho Chehab
parent a3ad56d0ab
commit 8b2c3da108
1 changed files with 4 additions and 5 deletions
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9
drivers/media/usb/gspca/gspca.c
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@ -567,11 +567,10 @@ static void destroy_urbs(struct gspca_dev *gspca_dev)
gspca_dev->urb[i] = NULL;
usb_kill_urb(urb);
if (urb->transfer_buffer != NULL)
usb_free_coherent(gspca_dev->dev,
urb->transfer_buffer_length,
urb->transfer_buffer,
urb->transfer_dma);
usb_free_coherent(gspca_dev->dev,
urb->transfer_buffer_length,
urb->transfer_buffer,
urb->transfer_dma);
usb_free_urb(urb);
}
}