From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Wed, 20 Mar 2013 14:30:46 +0000 (-0300)
Subject: [media] gspca: remove needless check before usb_free_coherent()
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=8b2c3da108b08751ac65911e1797ef9a5342c727;p=openwrt%2Fstaging%2Fblogic.git

[media] gspca: 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 <mchehab@redhat.com>
---

diff --git a/drivers/media/usb/gspca/gspca.c b/drivers/media/usb/gspca/gspca.c
index 5800d65f9144..924e032461d0 100644
--- a/drivers/media/usb/gspca/gspca.c
+++ b/drivers/media/usb/gspca/gspca.c
@@ -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);
 	}
 }