staging: media: atomisp: Replace NULL comparison.

Replaced x == NULL with !x, by using the following coccinelle script:

@disable is_null@
expression e;
@@

-e==NULL
+!e

This patch fixes the checkpatch issue.
Signed-off-by: Varsha Rao <rvarsha016@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/media/atomisp/i2c/gc0310.c

@@ -294,7 +294,7 @@ static int gc0310_get_intg_factor(struct i2c_client *client,
 	unsigned int vert_blanking;
 	unsigned int sh_delay;
 
-	if (info == NULL)
+	if (!info)
 		return -EINVAL;
 
 	/* pixel clock calculattion */
@@ -803,7 +803,7 @@ static int power_up(struct v4l2_subdev *sd)
 	int ret;
 
 	pr_info("%s S\n", __func__);
-	if (NULL == dev->platform_data) {
+	if (!dev->platform_data) {
 		dev_err(&client->dev,
 			"no camera_sensor_platform_data");
 		return -ENODEV;
@@ -848,7 +848,7 @@ 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;
@@ -996,7 +996,7 @@ static int gc0310_set_fmt(struct v4l2_subdev *sd,
 		return -EINVAL;
 
 	gc0310_info = v4l2_get_subdev_hostdata(sd);
-	if (gc0310_info == NULL)
+	if (!gc0310_info)
 		return -EINVAL;
 
 	mutex_lock(&dev->input_lock);
@@ -1159,7 +1159,7 @@ static int gc0310_s_config(struct v4l2_subdev *sd,
 	int ret = 0;
 
 	pr_info("%s S\n", __func__);
-	if (platform_data == NULL)
+	if (!platform_data)
 		return -ENODEV;
 
 	dev->platform_data =

drivers/staging/media/atomisp/i2c/gc2235.c

@@ -250,7 +250,7 @@ static int gc2235_get_intg_factor(struct i2c_client *client,
 	u16 reg_val, reg_val_h, dummy;
 	int ret;
 
-	if (info == NULL)
+	if (!info)
 		return -EINVAL;
 
 	/* pixel clock calculattion */
@@ -596,7 +596,7 @@ 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;
@@ -640,7 +640,7 @@ 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;
@@ -789,7 +789,7 @@ static int gc2235_set_fmt(struct v4l2_subdev *sd,
 	int idx;
 
 	gc2235_info = v4l2_get_subdev_hostdata(sd);
-	if (gc2235_info == NULL)
+	if (!gc2235_info)
 		return -EINVAL;
 	if (format->pad)
 		return -EINVAL;
@@ -908,7 +908,7 @@ static int gc2235_s_config(struct v4l2_subdev *sd,
 	struct i2c_client *client = v4l2_get_subdevdata(sd);
 	int ret = 0;
 
-	if (platform_data == NULL)
+	if (!platform_data)
 		return -ENODEV;
 
 	dev->platform_data =

drivers/staging/media/atomisp/i2c/ov2680.c

@@ -323,7 +323,7 @@ static int ov2680_get_intg_factor(struct i2c_client *client,
 	u16 reg_val;
 	int ret;
 	ov2680_debug(dev,  "++++ov2680_get_intg_factor\n");
-	if (info == NULL)
+	if (!info)
 		return -EINVAL;
 
 	/* pixel clock */
@@ -899,7 +899,7 @@ 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;
@@ -948,7 +948,7 @@ static int power_down(struct v4l2_subdev *sd)
 
 	h_flag = 0;
 	v_flag = 0;
-	if (NULL == dev->platform_data) {
+	if (!dev->platform_data) {
 		dev_err(&client->dev,
 			"no camera_sensor_platform_data");
 		return -ENODEV;
@@ -1077,7 +1077,7 @@ static int ov2680_set_fmt(struct v4l2_subdev *sd,
 		return -EINVAL;
 
 	ov2680_info = v4l2_get_subdev_hostdata(sd);
-	if (ov2680_info == NULL)
+	if (!ov2680_info)
 		return -EINVAL;
 
 	mutex_lock(&dev->input_lock);
@@ -1233,7 +1233,7 @@ static int ov2680_s_config(struct v4l2_subdev *sd,
 	struct i2c_client *client = v4l2_get_subdevdata(sd);
 	int ret = 0;
 
-	if (platform_data == NULL)
+	if (!platform_data)
 		return -ENODEV;
 
 	dev->platform_data =

drivers/staging/media/atomisp/i2c/ov2722.c

@@ -295,7 +295,7 @@ static int ov2722_get_intg_factor(struct i2c_client *client,
 	u16 reg_val;
 	int ret;
 
-	if (info == NULL)
+	if (!info)
 		return -EINVAL;
 
 	dev = to_ov2722_sensor(sd);
@@ -699,7 +699,7 @@ 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;
@@ -746,7 +746,7 @@ 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;
@@ -893,7 +893,7 @@ static int ov2722_set_fmt(struct v4l2_subdev *sd,
 	if (!fmt)
 		return -EINVAL;
 	ov2722_info = v4l2_get_subdev_hostdata(sd);
-	if (ov2722_info == NULL)
+	if (!ov2722_info)
 		return -EINVAL;
 
 	mutex_lock(&dev->input_lock);
@@ -1037,7 +1037,7 @@ static int ov2722_s_config(struct v4l2_subdev *sd,
 	struct i2c_client *client = v4l2_get_subdevdata(sd);
 	int ret = 0;
 
-	if (platform_data == NULL)
+	if (!platform_data)
 		return -ENODEV;
 
 	dev->platform_data =
@@ -1268,7 +1268,7 @@ static int __ov2722_init_ctrl_handler(struct ov2722_device *dev)
 
 	dev->link_freq = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_LINK_FREQ);
 
-	if (dev->ctrl_handler.error || dev->link_freq == NULL)
+	if (dev->ctrl_handler.error || !dev->link_freq)
 		return dev->ctrl_handler.error;
 
 	dev->sd.ctrl_handler = hdl;