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V4L/DVB (8695): usbvideo: add proper error check and add release function

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Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2008-08-18 04:48:42 -03:00 committed by Mauro Carvalho Chehab
parent 66c6bda79f
commit e758c6f86b
1 changed files with 6 additions and 1 deletions
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7
drivers/media/video/usbvideo/usbvideo.c
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@ -1006,6 +1006,10 @@ allocate_done:
EXPORT_SYMBOL(usbvideo_AllocateDevice);
static void usbvideo_dummy_release(struct video_device *vfd)
{
}
int usbvideo_RegisterVideoDevice(struct uvd *uvd)
{
char tmp1[20], tmp2[20]; /* Buffers for printing */
@ -1039,7 +1043,8 @@ int usbvideo_RegisterVideoDevice(struct uvd *uvd)
return -EINVAL;
}
uvd->vdev.parent = &uvd->dev->dev;
if (video_register_device(&uvd->vdev, VFL_TYPE_GRABBER, video_nr) == -1) {
uvd->vdev.release = usbvideo_dummy_release;
if (video_register_device(&uvd->vdev, VFL_TYPE_GRABBER, video_nr) < 0) {
err("%s: video_register_device failed", __func__);
return -EPIPE;
}