diff options
Diffstat (limited to 'drivers/media/dvb-frontends/rtl2832_sdr.c')
| -rw-r--r-- | drivers/media/dvb-frontends/rtl2832_sdr.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c index 422d1a7b5456..c564485e3bbb 100644 --- a/drivers/media/dvb-frontends/rtl2832_sdr.c +++ b/drivers/media/dvb-frontends/rtl2832_sdr.c @@ -399,7 +399,8 @@ static int rtl2832_sdr_alloc_urbs(struct rtl2832_sdr_dev *dev) } /* Must be called with vb_queue_lock hold */ -static void rtl2832_sdr_cleanup_queued_bufs(struct rtl2832_sdr_dev *dev) +static void rtl2832_sdr_cleanup_queued_bufs(struct rtl2832_sdr_dev *dev, + enum vb2_buffer_state state) { struct platform_device *pdev = dev->pdev; unsigned long flags; @@ -413,7 +414,7 @@ static void rtl2832_sdr_cleanup_queued_bufs(struct rtl2832_sdr_dev *dev) buf = list_entry(dev->queued_bufs.next, struct rtl2832_sdr_frame_buf, list); list_del(&buf->list); - vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); + vb2_buffer_done(&buf->vb.vb2_buf, state); } spin_unlock_irqrestore(&dev->queued_bufs_lock, flags); } @@ -855,11 +856,15 @@ static int rtl2832_sdr_start_streaming(struct vb2_queue *vq, unsigned int count) dev_dbg(&pdev->dev, "\n"); - if (!dev->udev) + if (!dev->udev) { + rtl2832_sdr_cleanup_queued_bufs(dev, VB2_BUF_STATE_QUEUED); return -ENODEV; + } - if (mutex_lock_interruptible(&dev->v4l2_lock)) + if (mutex_lock_interruptible(&dev->v4l2_lock)) { + rtl2832_sdr_cleanup_queued_bufs(dev, VB2_BUF_STATE_QUEUED); return -ERESTARTSYS; + } if (d->props->power_ctrl) d->props->power_ctrl(d, 1); @@ -900,7 +905,11 @@ static int rtl2832_sdr_start_streaming(struct vb2_queue *vq, unsigned int count) if (ret) goto err; + mutex_unlock(&dev->v4l2_lock); + return 0; + err: + rtl2832_sdr_cleanup_queued_bufs(dev, VB2_BUF_STATE_QUEUED); mutex_unlock(&dev->v4l2_lock); return ret; @@ -920,7 +929,7 @@ static void rtl2832_sdr_stop_streaming(struct vb2_queue *vq) rtl2832_sdr_kill_urbs(dev); rtl2832_sdr_free_urbs(dev); rtl2832_sdr_free_stream_bufs(dev); - rtl2832_sdr_cleanup_queued_bufs(dev); + rtl2832_sdr_cleanup_queued_bufs(dev, VB2_BUF_STATE_ERROR); rtl2832_sdr_unset_adc(dev); /* sleep tuner */ |