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| author | Ezequiel Garcia <elezegarcia@gmail.com> | 2012-09-26 07:30:34 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-10-06 12:25:21 -0300 |
| commit | 5712661d643099bda44909cfd75560fcda72c387 (patch) | |
| tree | b74b822a070b9de0008d790c9087ab8c9627d8b2 /drivers/media | |
| parent | e0f6e4d6ff8d82ca6813f47d12f85224d7491d9e (diff) | |
| download | linux-stable-5712661d643099bda44909cfd75560fcda72c387.tar.gz linux-stable-5712661d643099bda44909cfd75560fcda72c387.tar.bz2 linux-stable-5712661d643099bda44909cfd75560fcda72c387.zip | |
[media] uvc: Add return code check at vb2_queue_init()
This function returns an integer and it's mandatory
to check the return code.
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_queue.c | 10 | ||||
| -rw-r--r-- | drivers/media/usb/uvc/uvc_video.c | 4 | ||||
| -rw-r--r-- | drivers/media/usb/uvc/uvcvideo.h | 2 |
3 files changed, 12 insertions, 4 deletions
diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c index 5577381b5bf0..18a91fae6bc1 100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@ -122,21 +122,27 @@ static struct vb2_ops uvc_queue_qops = { .buf_finish = uvc_buffer_finish, }; -void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, +int uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, int drop_corrupted) { + int ret; + queue->queue.type = type; queue->queue.io_modes = VB2_MMAP | VB2_USERPTR; queue->queue.drv_priv = queue; queue->queue.buf_struct_size = sizeof(struct uvc_buffer); queue->queue.ops = &uvc_queue_qops; queue->queue.mem_ops = &vb2_vmalloc_memops; - vb2_queue_init(&queue->queue); + ret = vb2_queue_init(&queue->queue); + if (ret) + return ret; mutex_init(&queue->mutex); spin_lock_init(&queue->irqlock); INIT_LIST_HEAD(&queue->irqqueue); queue->flags = drop_corrupted ? UVC_QUEUE_DROP_CORRUPTED : 0; + + return 0; } /* ----------------------------------------------------------------------------- diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index 1c15b4227bdb..57c3076a4625 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -1755,7 +1755,9 @@ int uvc_video_init(struct uvc_streaming *stream) atomic_set(&stream->active, 0); /* Initialize the video buffers queue. */ - uvc_queue_init(&stream->queue, stream->type, !uvc_no_drop_param); + ret = uvc_queue_init(&stream->queue, stream->type, !uvc_no_drop_param); + if (ret) + return ret; /* Alternate setting 0 should be the default, yet the XBox Live Vision * Cam (and possibly other devices) crash or otherwise misbehave if diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index 3764040475bb..af216ec45e39 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -600,7 +600,7 @@ extern struct uvc_driver uvc_driver; extern struct uvc_entity *uvc_entity_by_id(struct uvc_device *dev, int id); /* Video buffers queue management. */ -extern void uvc_queue_init(struct uvc_video_queue *queue, +extern int uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, int drop_corrupted); extern int uvc_alloc_buffers(struct uvc_video_queue *queue, struct v4l2_requestbuffers *rb); |