linux-kernel - [PATCH] usb: misc: remove unnecessary code

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Message-ID: <20170216212544.GA4566@embeddedgus>
Date:   Thu, 16 Feb 2017 15:25:44 -0600
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     gregkh@...uxfoundation.org, wsa-dev@...g-engineering.com,
        bhaktipriya96@...il.com, tj@...nel.org
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Peter Senna Tschudin <peter.senna@...il.com>,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] usb: misc: remove unnecessary code

'val' is an unsigned variable, and less-than-zero comparison of an unsigned
variable is never true.

Addresses-Coverity-ID: 1230256
Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
 drivers/usb/misc/lvstest.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/misc/lvstest.c b/drivers/usb/misc/lvstest.c
index 7717651..c7c2104 100644
--- a/drivers/usb/misc/lvstest.c
+++ b/drivers/usb/misc/lvstest.c
@@ -222,7 +222,7 @@ static ssize_t u1_timeout_store(struct device *dev,
 		return ret;
 	}
 
-	if (val < 0 || val > 127)
+	if (val > 127)
 		return -EINVAL;
 
 	ret = lvs_rh_set_port_feature(hdev, lvs->portnum | (val << 8),
-- 
2.5.0