linux-kernel - [PATCH 2/2] usb: serial: remove redundant condition

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Date:	Fri, 11 Dec 2015 06:46:42 -0300
From:	"Geyslan G. Bem" <geyslan@...il.com>
To:	peter.senna@...il.com
Cc:	"Geyslan G. Bem" <geyslan@...il.com>,
	Johan Hovold <johan@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] usb: serial: remove redundant condition

This patch removes redundant condition.

 (length && length > 5) can be reduced to a single evaluation.

Tested by compilation only.
Caught by cppcheck.

Signed-off-by: Geyslan G. Bem <geyslan@...il.com>
---
 drivers/usb/serial/mos7840.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 8ac9b55..2c69bfc 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -635,7 +635,7 @@ static void mos7840_interrupt_callback(struct urb *urb)
 	 * Byte 4 IIR Port 4 (port.number is 3)
 	 * Byte 5 FIFO status for both */
 
-	if (length && length > 5) {
+	if (length > 5) {
 		dev_dbg(&urb->dev->dev, "%s", "Wrong data !!!\n");
 		return;
 	}
-- 
2.6.3

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