diff options
| -rw-r--r-- | drivers/media/video/v4l2-dev.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 1ec0a1a8fb7..99f7ee4bc50 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -226,6 +226,7 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, int end; int ret; char *name_base; + void *priv = video_get_drvdata(vfd); /* the release callback MUST be present */ BUG_ON(!vfd->release); @@ -295,6 +296,9 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, /* sysfs class */ memset(&vfd->dev, 0, sizeof(vfd->dev)); + /* The memset above cleared the device's drvdata, so + put back the copy we made earlier. */ + video_set_drvdata(vfd, priv); vfd->dev.class = &video_class; vfd->dev.devt = MKDEV(VIDEO_MAJOR, vfd->minor); if (vfd->parent) |