[PATCH] ASoC: core: lock client_mutex while removing link components

[Ranjani Sridharan]

Removing link components results in topology unloading. So,
acquire the client_mutex before removing components in
snd_soc_unbind_card(). This will prevent lockdep warning
when the dai link is removed.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
---
 sound/soc/soc-core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 2403bec2fccf3..5609398f05d80 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2839,12 +2839,14 @@ static void snd_soc_unbind_card(struct snd_soc_card *card, bool unregister)
 		snd_soc_dapm_shutdown(card);
 		snd_soc_flush_all_delayed_work(card);
 
+		mutex_lock(&client_mutex);
 		/* remove all components used by DAI links on this card */
 		for_each_comp_order(order) {
 			for_each_card_rtds(card, rtd) {
 				soc_remove_link_components(card, rtd, order);
 			}
 		}
+		mutex_unlock(&client_mutex);
 
 		soc_cleanup_card_resources(card);
 		if (!unregister)

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