staging: media: davinci_vpfe: Replace explicit NULL comparison with ! operator

This patch replaces the explicit NULL comparisons with ! operator.
It was found using Coccinelle:

@disable is_null@
expression e;
@@
- e == NULL
+ !e

Signed-off-by: sayli karnik <karniksayli1995@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c
index 3319fb8..8be9f85 100644 (file)
--- a/drivers/staging/media/davinci_vpfe/vpfe_video.c
+++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c
@@ -37,7 +37,7 @@ static struct media_entity *vpfe_get_input_entity
        struct media_pad *remote;
 
        remote = media_entity_remote_pad(&vpfe_dev->vpfe_isif.pads[0]);
-       if (remote == NULL) {
+       if (!remote) {
                pr_err("Invalid media connection to isif/ccdc\n");
                return NULL;
        }
@@ -54,7 +54,7 @@ static int vpfe_update_current_ext_subdev(struct vpfe_video_device *video)
        int i;
 
        remote = media_entity_remote_pad(&vpfe_dev->vpfe_isif.pads[0]);
-       if (remote == NULL) {
+       if (!remote) {
                pr_err("Invalid media connection to isif/ccdc\n");
                return -EINVAL;
        }
@@ -107,7 +107,7 @@ __vpfe_video_get_format(struct vpfe_video_device *video,
        int ret;
 
        subdev = vpfe_video_remote_subdev(video, &pad);
-       if (subdev == NULL)
+       if (!subdev)
                return -EINVAL;
 
        fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
@@ -236,7 +236,7 @@ static int vpfe_video_validate_pipeline(struct vpfe_pipeline *pipe)
         * format of the connected pad.
         */
        subdev = vpfe_video_remote_subdev(pipe->outputs[0], NULL);
-       if (subdev == NULL)
+       if (!subdev)
                return -EPIPE;
 
        while (1) {
@@ -413,7 +413,7 @@ static int vpfe_open(struct file *file)
        /* Allocate memory for the file handle object */
        handle = kzalloc(sizeof(struct vpfe_fh), GFP_KERNEL);
 
-       if (handle == NULL)
+       if (!handle)
                return -ENOMEM;
 
        v4l2_fh_init(&handle->vfh, &video->video_dev);
@@ -683,14 +683,14 @@ static int vpfe_enum_fmt(struct file *file, void  *priv,
        }
        /* get the remote pad */
        remote = media_entity_remote_pad(&video->pad);
-       if (remote == NULL) {
+       if (!remote) {
                v4l2_err(&vpfe_dev->v4l2_dev,
                         "invalid remote pad for video node\n");
                return -EINVAL;
        }
        /* get the remote subdev */
        subdev = vpfe_video_remote_subdev(video, NULL);
-       if (subdev == NULL) {
+       if (!subdev) {
                v4l2_err(&vpfe_dev->v4l2_dev,
                         "invalid remote subdev for video node\n");
                return -EINVAL;