diff options
| author | Takashi Iwai <tiwai@suse.de> | 2021-11-16 08:18:12 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-11-16 14:29:50 +0000 |
| commit | 7e567b5ae06315ef2d70666b149962e2bb4b97af (patch) | |
| tree | 492076801e2cde7daa43687985af57e6bf0ea427 | |
| parent | 6712c2e18c06b0976559fd4bd47774b243038e9c (diff) | |
ASoC: topology: Add missing rwsem around snd_ctl_remove() calls
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: 8a9782346dcc ("ASoC: topology: Add topology core")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20211116071812.18109-1-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/soc-topology.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index 557e22c5254c..f5b9e66ac3b8 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -2700,6 +2700,7 @@ EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load); /* remove dynamic controls from the component driver */ int snd_soc_tplg_component_remove(struct snd_soc_component *comp) { + struct snd_card *card = comp->card->snd_card; struct snd_soc_dobj *dobj, *next_dobj; int pass = SOC_TPLG_PASS_END; @@ -2707,6 +2708,7 @@ int snd_soc_tplg_component_remove(struct snd_soc_component *comp) while (pass >= SOC_TPLG_PASS_START) { /* remove mixer controls */ + down_write(&card->controls_rwsem); list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list, list) { @@ -2745,6 +2747,7 @@ int snd_soc_tplg_component_remove(struct snd_soc_component *comp) break; } } + up_write(&card->controls_rwsem); pass--; } |