linux-kernel - [PATCH 17/18] [media] RedRat3: Adjust two checks for null pointers in redrat3_dev

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Date:   Thu, 13 Oct 2016 18:47:05 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-media@...r.kernel.org, Hans Verkuil <hverkuil@...all.nl>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sean Young <sean@...s.org>,
        Wolfram Sang <wsa-dev@...g-engineering.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH 17/18] [media] RedRat3: Adjust two checks for null pointers in
 redrat3_dev_probe()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Thu, 13 Oct 2016 17:40:34 +0200
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The script "checkpatch.pl" pointed information out like the following.

Comparison to NULL could be written !…

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/media/rc/redrat3.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c
index 06c9eea..a09d5cb 100644
--- a/drivers/media/rc/redrat3.c
+++ b/drivers/media/rc/redrat3.c
@@ -923,8 +923,7 @@ static int redrat3_dev_probe(struct usb_interface *intf,
 		ep = &uhi->endpoint[i].desc;
 		addr = ep->bEndpointAddress;
 		attrs = ep->bmAttributes;
-
-		if ((ep_in == NULL) &&
+		if (!ep_in &&
 		    ((addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) &&
 		    ((attrs & USB_ENDPOINT_XFERTYPE_MASK) ==
 		     USB_ENDPOINT_XFER_BULK)) {
@@ -935,7 +934,7 @@ static int redrat3_dev_probe(struct usb_interface *intf,
 				ep_in = ep;
 		}
 
-		if ((ep_out == NULL) &&
+		if (!ep_out &&
 		    ((addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) &&
 		    ((attrs & USB_ENDPOINT_XFERTYPE_MASK) ==
 		     USB_ENDPOINT_XFER_BULK)) {
-- 
2.10.1