diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/core/seq/seq_virmidi.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/sound/core/seq/seq_virmidi.c b/sound/core/seq/seq_virmidi.c index 35f93b43dd2ac..b4672613c2613 100644 --- a/sound/core/seq/seq_virmidi.c +++ b/sound/core/seq/seq_virmidi.c @@ -199,11 +199,10 @@ static int snd_virmidi_input_open(struct snd_rawmidi_substream *substream) vmidi->client = rdev->client; vmidi->port = rdev->port; runtime->private_data = vmidi; - down_write(&rdev->filelist_sem); - write_lock_irq(&rdev->filelist_lock); - list_add_tail(&vmidi->list, &rdev->filelist); - write_unlock_irq(&rdev->filelist_lock); - up_write(&rdev->filelist_sem); + scoped_guard(rwsem_write, &rdev->filelist_sem) { + guard(write_lock_irq)(&rdev->filelist_lock); + list_add_tail(&vmidi->list, &rdev->filelist); + } vmidi->rdev = rdev; return 0; } @@ -243,11 +242,10 @@ static int snd_virmidi_input_close(struct snd_rawmidi_substream *substream) struct snd_virmidi_dev *rdev = substream->rmidi->private_data; struct snd_virmidi *vmidi = substream->runtime->private_data; - down_write(&rdev->filelist_sem); - write_lock_irq(&rdev->filelist_lock); - list_del(&vmidi->list); - write_unlock_irq(&rdev->filelist_lock); - up_write(&rdev->filelist_sem); + scoped_guard(rwsem_write, &rdev->filelist_sem) { + guard(write_lock_irq)(&rdev->filelist_lock); + list_del(&vmidi->list); + } snd_midi_event_free(vmidi->parser); substream->runtime->private_data = NULL; kfree(vmidi); |