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| author | Markus Elfring <elfring@users.sourceforge.net> | 2017-09-24 12:00:57 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-10-31 13:37:22 +0300 |
| commit | bfba2b3e21b9426c0f9aca00f3cad8631b2da170 (patch) | |
| tree | 8ef4bb970c7a57eda58cb2a9773749d323b6cad5 /drivers/media/platform/omap | |
| parent | 1bfbb88564b17bbc2187cbce9e867628532ce1a8 (diff) | |
| download | linux-bfba2b3e21b9426c0f9aca00f3cad8631b2da170.tar.xz | |
media: omap_vout: Fix a possible null pointer dereference in omap_vout_open()
Move a debug message so that a null pointer access can not happen
for the variable "vout" in this function.
Fixes: 5c7ab6348e7b3fcca2b8ee548306c774472971e2 ("V4L/DVB: V4L2: Add support for OMAP2/3 V4L2 display driver on top of DSS2")
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/platform/omap')
| -rw-r--r-- | drivers/media/platform/omap/omap_vout.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c index 4d29860d27b4..6f1b0c799e58 100644 --- a/drivers/media/platform/omap/omap_vout.c +++ b/drivers/media/platform/omap/omap_vout.c @@ -1004,11 +1004,12 @@ static int omap_vout_open(struct file *file) struct omap_vout_device *vout = NULL; vout = video_drvdata(file); - v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Entering %s\n", __func__); if (vout == NULL) return -ENODEV; + v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Entering %s\n", __func__); + /* for now, we only support single open */ if (vout->opened) return -EBUSY; |