linux-kernel - [PATCH 3/7] staging: media: Replace NULL with "!"

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Date:   Fri,  3 Mar 2017 01:21:58 +0530
From:   simran singhal <singhalsimran0@...il.com>
To:     mchehab@...nel.org
Cc:     gregkh@...uxfoundation.org, linux-media@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        outreachy-kernel@...glegroups.com
Subject: [PATCH 3/7] staging: media: Replace NULL with "!"

Use ! in comparison tests using "==NULL" rather than moving the
"==NULL" to the right side of the test.

Addesses multiple instances of the checkpatch.pl warning:
WARNING: Comparisons should place the constant on the right side of the
test

Signed-off-by: simran singhal <singhalsimran0@...il.com>
---
 drivers/staging/media/atomisp/i2c/gc2235.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/media/atomisp/i2c/gc2235.c b/drivers/staging/media/atomisp/i2c/gc2235.c
index 7de7e24..2ef876a 100644
--- a/drivers/staging/media/atomisp/i2c/gc2235.c
+++ b/drivers/staging/media/atomisp/i2c/gc2235.c
@@ -603,7 +603,7 @@ static int power_up(struct v4l2_subdev *sd)
 	struct i2c_client *client = v4l2_get_subdevdata(sd);
 	int ret;
 
-	if (NULL == dev->platform_data) {
+	if (!dev->platform_data) {
 		dev_err(&client->dev,
 			"no camera_sensor_platform_data");
 		return -ENODEV;
@@ -647,7 +647,7 @@ static int power_down(struct v4l2_subdev *sd)
 	struct i2c_client *client = v4l2_get_subdevdata(sd);
 	int ret = 0;
 
-	if (NULL == dev->platform_data) {
+	if (!dev->platform_data) {
 		dev_err(&client->dev,
 			"no camera_sensor_platform_data");
 		return -ENODEV;
-- 
2.7.4