diff options
Diffstat (limited to 'sound/core/rawmidi.c')
| -rw-r--r-- | sound/core/rawmidi.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index 03306be5fa02..8969ee2757f1 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -629,12 +629,15 @@ static int snd_rawmidi_info(struct snd_rawmidi_substream *substream, info->subdevice = substream->number; info->stream = substream->stream; info->flags = rmidi->info_flags; - strcpy(info->id, rmidi->id); - strcpy(info->name, rmidi->name); - strcpy(info->subname, substream->name); + if (substream->inactive) + info->flags |= SNDRV_RAWMIDI_INFO_STREAM_INACTIVE; + strscpy(info->id, rmidi->id); + strscpy(info->name, rmidi->name); + strscpy(info->subname, substream->name); info->subdevices_count = substream->pstr->substream_count; info->subdevices_avail = (substream->pstr->substream_count - substream->pstr->substream_opened); + info->tied_device = rmidi->tied_device; return 0; } @@ -724,8 +727,9 @@ static int resize_runtime_buffer(struct snd_rawmidi_substream *substream, newbuf = kvzalloc(params->buffer_size, GFP_KERNEL); if (!newbuf) return -ENOMEM; - guard(spinlock_irq)(&substream->lock); + spin_lock_irq(&substream->lock); if (runtime->buffer_ref) { + spin_unlock_irq(&substream->lock); kvfree(newbuf); return -EBUSY; } @@ -733,6 +737,7 @@ static int resize_runtime_buffer(struct snd_rawmidi_substream *substream, runtime->buffer = newbuf; runtime->buffer_size = params->buffer_size; __reset_runtime_ptrs(runtime, is_input); + spin_unlock_irq(&substream->lock); kvfree(oldbuf); } runtime->avail_min = params->avail_min; @@ -2101,13 +2106,11 @@ EXPORT_SYMBOL(snd_rawmidi_set_ops); static int __init alsa_rawmidi_init(void) { - snd_ctl_register_ioctl(snd_rawmidi_control_ioctl); snd_ctl_register_ioctl_compat(snd_rawmidi_control_ioctl); #ifdef CONFIG_SND_OSSEMUL - { int i; /* check device map table */ - for (i = 0; i < SNDRV_CARDS; i++) { + for (int i = 0; i < SNDRV_CARDS; i++) { if (midi_map[i] < 0 || midi_map[i] >= SNDRV_RAWMIDI_DEVICES) { pr_err("ALSA: rawmidi: invalid midi_map[%d] = %d\n", i, midi_map[i]); @@ -2119,7 +2122,6 @@ static int __init alsa_rawmidi_init(void) amidi_map[i] = 1; } } - } #endif /* CONFIG_SND_OSSEMUL */ return 0; } |