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uvc: simplify redundant check

Message ID 1390472905-29586-2-git-send-email-oliver@neukum.org (mailing list archive)
State New, archived
Headers show

Commit Message

Oliver Neukum Jan. 23, 2014, 10:28 a.m. UTC 
From: Oliver Neukum <oneukum@suse.de>

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

Signed-off-by: Oliver Neukum <oneukum@suse.de>
---
 drivers/media/usb/uvc/uvc_driver.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index c3bb250..b6cac17 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);