[PATCH 3/6] [media] omap_vout: Adjust a null pointer check in two functions

From: SF Markus Elfring
Date: Sun Sep 24 2017 - 06:27:00 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 24 Sep 2017 10:30:29 +0200
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The script âcheckpatch.plâ pointed information out like the following.

Comparison to NULL could be written !â

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/media/platform/omap/omap_vout.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c
index 4a4d171ca573..2b55a8ebd1ad 100644
--- a/drivers/media/platform/omap/omap_vout.c
+++ b/drivers/media/platform/omap/omap_vout.c
@@ -1006,7 +1006,7 @@ static int omap_vout_open(struct file *file)
vout = video_drvdata(file);
v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Entering %s\n", __func__);

- if (vout == NULL)
+ if (!vout)
return -ENODEV;

/* for now, we only support single open */
@@ -2095,7 +2095,7 @@ static int __init omap_vout_probe(struct platform_device *pdev)
}

vid_dev = kzalloc(sizeof(*vid_dev), GFP_KERNEL);
- if (vid_dev == NULL) {
+ if (!vid_dev) {
ret = -ENOMEM;
goto err_dss_init;
}
--
2.14.1