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| author | Henrik Kretzschmar <henne@nachtwindheim.de> | 2008-08-22 19:41:03 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-10-12 11:36:52 (GMT) |
| commit | ee7aa9f821b27674f36fc09413914b68f7ad97ca (patch) | |
| tree | bf357d883b93153189119b715eed54c287f1368b /drivers/media/video/v4l2-dev.c | |
| parent | ef0e3c26efe9c52de62b96fdad94de3ed70489d0 (diff) | |
| download | linux-ee7aa9f821b27674f36fc09413914b68f7ad97ca.tar.xz | |
V4L/DVB (8750): V4L: check inval in video_register_device_index()
Better check the video_device pointer before using it.
Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/v4l2-dev.c')
| -rw-r--r-- | drivers/media/video/v4l2-dev.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 6b9f3cb..8903e41 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -257,6 +257,9 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, if (vfd == NULL) return -EINVAL; + if (vfd == NULL) + return -EINVAL; + switch (type) { case VFL_TYPE_GRABBER: base = MINOR_VFL_TYPE_GRABBER_MIN; |