From bfba2b3e21b9426c0f9aca00f3cad8631b2da170 Mon Sep 17 00:00:00 2001 From: Markus Elfring Date: Sun, 24 Sep 2017 05:00:57 -0400 Subject: 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 Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/omap/omap_vout.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/media/platform/omap') 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; -- cgit