diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/core/seq/seq_timer.c | 14 | ||||
| -rw-r--r-- | sound/usb/line6/pcm.c | 19 |
2 files changed, 21 insertions, 12 deletions
diff --git a/sound/core/seq/seq_timer.c b/sound/core/seq/seq_timer.c index 3be67560ead5..c526201fd0df 100644 --- a/sound/core/seq/seq_timer.c +++ b/sound/core/seq/seq_timer.c @@ -484,15 +484,19 @@ void snd_seq_info_timer_read(struct snd_info_entry *entry, q = queueptr(idx); if (q == NULL) continue; - if ((tmr = q->timer) == NULL || - (ti = tmr->timeri) == NULL) { - queuefree(q); - continue; - } + mutex_lock(&q->timer_mutex); + tmr = q->timer; + if (!tmr) + goto unlock; + ti = tmr->timeri; + if (!ti) + goto unlock; snd_iprintf(buffer, "Timer for queue %i : %s\n", q->queue, ti->timer->name); resolution = snd_timer_resolution(ti) * tmr->ticks; snd_iprintf(buffer, " Period time : %lu.%09lu\n", resolution / 1000000000, resolution % 1000000000); snd_iprintf(buffer, " Skew : %u / %u\n", tmr->skew, tmr->skew_base); +unlock: + mutex_unlock(&q->timer_mutex); queuefree(q); } } diff --git a/sound/usb/line6/pcm.c b/sound/usb/line6/pcm.c index 41aa3355e920..e85ada14a8e1 100644 --- a/sound/usb/line6/pcm.c +++ b/sound/usb/line6/pcm.c @@ -523,13 +523,6 @@ int line6_init_pcm(struct usb_line6 *line6, line6pcm->volume_monitor = 255; line6pcm->line6 = line6; - /* Read and write buffers are sized identically, so choose minimum */ - line6pcm->max_packet_size = min( - usb_maxpacket(line6->usbdev, - usb_rcvisocpipe(line6->usbdev, ep_read), 0), - usb_maxpacket(line6->usbdev, - usb_sndisocpipe(line6->usbdev, ep_write), 1)); - spin_lock_init(&line6pcm->out.lock); spin_lock_init(&line6pcm->in.lock); line6pcm->impulse_period = LINE6_IMPULSE_DEFAULT_PERIOD; @@ -539,6 +532,18 @@ int line6_init_pcm(struct usb_line6 *line6, pcm->private_data = line6pcm; pcm->private_free = line6_cleanup_pcm; + /* Read and write buffers are sized identically, so choose minimum */ + line6pcm->max_packet_size = min( + usb_maxpacket(line6->usbdev, + usb_rcvisocpipe(line6->usbdev, ep_read), 0), + usb_maxpacket(line6->usbdev, + usb_sndisocpipe(line6->usbdev, ep_write), 1)); + if (!line6pcm->max_packet_size) { + dev_err(line6pcm->line6->ifcdev, + "cannot get proper max packet size\n"); + return -EINVAL; + } + err = line6_create_audio_out_urbs(line6pcm); if (err < 0) return err; |