From: Oliver Neukum <oneukum@suse.de>
Date: Thu, 23 Jan 2014 10:28:24 +0000 (-0300)
Subject: [media] uvcvideo: Simplify redundant check
X-Git-Tag: v3.15-rc1~85^2~347
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=daf41ac2c4b5b2e663079ccc58b8d6a70a3c111b;p=karo-tx-linux.git

[media] uvcvideo: Simplify redundant check

x < constant implies x + unsigned < constant
That check just obfuscates the code

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
---

diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index c3bb2502225b..b6cac17c238e 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -925,7 +925,7 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
 	case UVC_VC_HEADER:
 		n = buflen >= 12 ? buffer[11] : 0;
 
-		if (buflen < 12 || buflen < 12 + n) {
+		if (buflen < 12 + n) {
 			uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol "
 				"interface %d HEADER error\n", udev->devnum,
 				alts->desc.bInterfaceNumber);