diff options
| -rw-r--r-- | drivers/usb/gadget/function/u_audio.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/usb/gadget/function/u_audio.c b/drivers/usb/gadget/function/u_audio.c index d3a639297e06..e9644137f720 100644 --- a/drivers/usb/gadget/function/u_audio.c +++ b/drivers/usb/gadget/function/u_audio.c @@ -88,7 +88,7 @@ static const struct snd_pcm_hardware uac_pcm_hardware = { static void u_audio_iso_complete(struct usb_ep *ep, struct usb_request *req) { unsigned pending; - unsigned long flags, flags2; + unsigned long flags; unsigned int hw_ptr; int status = req->status; struct uac_req *ur = req->context; @@ -115,14 +115,7 @@ static void u_audio_iso_complete(struct usb_ep *ep, struct usb_request *req) if (!substream) goto exit; - snd_pcm_stream_lock_irqsave(substream, flags2); - runtime = substream->runtime; - if (!runtime || !snd_pcm_running(substream)) { - snd_pcm_stream_unlock_irqrestore(substream, flags2); - goto exit; - } - spin_lock_irqsave(&prm->lock, flags); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { @@ -181,7 +174,6 @@ static void u_audio_iso_complete(struct usb_ep *ep, struct usb_request *req) prm->hw_ptr = (hw_ptr + req->actual) % runtime->dma_bytes; hw_ptr = prm->hw_ptr; spin_unlock_irqrestore(&prm->lock, flags); - snd_pcm_stream_unlock_irqrestore(substream, flags2); if ((hw_ptr % snd_pcm_lib_period_bytes(substream)) < req->actual) snd_pcm_period_elapsed(substream); |