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ALSA: jack: Add missing rwsem around snd_ctl_remove() calls
[ Upstream commit06764dc931
] snd_ctl_remove() has to be called with card->controls_rwsem held (when called after the card instantiation). This patch add the missing rwsem calls around it. Fixes:9058cbe1ee
("ALSA: jack: implement kctl creating for jack devices") Link: https://lore.kernel.org/r/20211116071314.15065-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -68,10 +68,13 @@ static int snd_jack_dev_free(struct snd_device *device)
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struct snd_card *card = device->card;
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struct snd_jack_kctl *jack_kctl, *tmp_jack_kctl;
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down_write(&card->controls_rwsem);
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list_for_each_entry_safe(jack_kctl, tmp_jack_kctl, &jack->kctl_list, list) {
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list_del_init(&jack_kctl->list);
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snd_ctl_remove(card, jack_kctl->kctl);
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}
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up_write(&card->controls_rwsem);
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if (jack->private_free)
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jack->private_free(jack);
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