diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/usb/endpoint.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index f21acbc9f4f4..da378e565ef8 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -1337,10 +1337,11 @@ int snd_usb_endpoint_set_params(struct snd_usb_audio *chip, const struct audioformat *fmt = ep->cur_audiofmt; int err; + mutex_lock(&chip->mutex); /* release old buffers, if any */ err = release_urbs(ep, false); if (err < 0) - return err; + goto unlock; ep->datainterval = fmt->datainterval; ep->maxpacksize = fmt->maxpacksize; @@ -1378,13 +1379,16 @@ int snd_usb_endpoint_set_params(struct snd_usb_audio *chip, usb_audio_dbg(chip, "Set up %d URBS, ret=%d\n", ep->nurbs, err); if (err < 0) - return err; + goto unlock; /* some unit conversions in runtime */ ep->maxframesize = ep->maxpacksize / ep->cur_frame_bytes; ep->curframesize = ep->curpacksize / ep->cur_frame_bytes; - return update_clock_ref_rate(chip, ep); + err = update_clock_ref_rate(chip, ep); + unlock: + mutex_unlock(&chip->mutex); + return err; } static int init_sample_rate(struct snd_usb_audio *chip, |