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authorHans Verkuil <hverkuil@xs4all.nl>2008-08-23 06:27:59 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-12 09:36:54 -0200
commitd6e7497eaf9889d39a070f60309a9bcea1fd29f6 (patch)
treea0668d21b89c749d1a193bac26c9961bd409e1af /drivers/media/video/v4l2-dev.c
parentaa5e90af7d78d1711f8f4275ce3638817c0023dc (diff)
V4L/DVB (8784): v4l2-dev: make the video_device's release callback mandatory
Now that all drivers set the release callback in the video_device struct we can put in a BUG_ON in video_register_device to ensure that the callback is always there. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> 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.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c
index fda48a2efda..ff219df4b72 100644
--- a/drivers/media/video/v4l2-dev.c
+++ b/drivers/media/video/v4l2-dev.c
@@ -84,11 +84,6 @@ static void video_release(struct device *cd)
{
struct video_device *vfd = container_of(cd, struct video_device, dev);
-#if 1
- /* needed until all drivers are fixed */
- if (!vfd->release)
- return;
-#endif
vfd->release(vfd);
}
@@ -233,8 +228,8 @@ int video_register_device_index(struct video_device *vfd, int type, int nr,
int ret;
char *name_base;
- if (vfd == NULL)
- return -EINVAL;
+ /* the release callback MUST be present */
+ BUG_ON(!vfd->release);
if (vfd == NULL)
return -EINVAL;
@@ -312,13 +307,6 @@ int video_register_device_index(struct video_device *vfd, int type, int nr,
goto fail_minor;
}
-#if 1
- /* needed until all drivers are fixed */
- if (!vfd->release)
- printk(KERN_WARNING "videodev: \"%s\" has no release callback. "
- "Please fix your driver for proper sysfs support, see "
- "http://lwn.net/Articles/36850/\n", vfd->name);
-#endif
return 0;
fail_minor: