diff options
| author | Takashi Iwai <tiwai@suse.de> | 2023-07-18 16:13:04 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-07-20 10:03:00 +0200 |
| commit | 3315cf95834fb5d612f6a5eb718c3620b80dd05e (patch) | |
| tree | 6eaa85674d462f89539e984d84df5d364ba8a801 /sound/pci/emu10k1/emufx.c | |
| parent | 9c2cc5652e4390bd4492433d96ad4caa785b09de (diff) | |
ALSA: emu10k1: Go back and simplify with snd_ctl_find_id()
Now that snd_ctl_find_id() takes the locking itself, we can get rid of
the messy locking in the caller side in snd_emu10k1_verify_controls().
Link: https://lore.kernel.org/r/20230718141304.1032-12-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/emu10k1/emufx.c')
| -rw-r--r-- | sound/pci/emu10k1/emufx.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c index 318a064f2cec..f114bda25eea 100644 --- a/sound/pci/emu10k1/emufx.c +++ b/sound/pci/emu10k1/emufx.c @@ -799,13 +799,10 @@ static int snd_emu10k1_verify_controls(struct snd_emu10k1 *emu, if (snd_emu10k1_look_for_ctl(emu, &gctl->id)) continue; gctl_id = (struct snd_ctl_elem_id *)&gctl->id; - down_read(&emu->card->controls_rwsem); - if (snd_ctl_find_id_locked(emu->card, gctl_id)) { - up_read(&emu->card->controls_rwsem); + if (snd_ctl_find_id(emu->card, gctl_id)) { err = -EEXIST; goto __error; } - up_read(&emu->card->controls_rwsem); if (gctl_id->iface != SNDRV_CTL_ELEM_IFACE_MIXER && gctl_id->iface != SNDRV_CTL_ELEM_IFACE_PCM) { err = -EINVAL; |