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[v0,23/42] ASoC: soc-jack: Check notifier registration return value

Message ID 20211108101157.15189-24-bp@alien8.de (mailing list archive)
State New, archived
Headers show
Series None | expand

Commit Message

Borislav Petkov Nov. 8, 2021, 10:11 a.m. UTC 
From: Borislav Petkov <bp@suse.de>

Avoid homegrown notifier registration checks.

No functional changes.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: alsa-devel@alsa-project.org
---
 sound/soc/soc-jack.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/sound/soc/soc-jack.c b/sound/soc/soc-jack.c
index d798765d168c..0875f5022066 100644
--- a/sound/soc/soc-jack.c
+++ b/sound/soc/soc-jack.c
@@ -181,7 +181,8 @@  EXPORT_SYMBOL_GPL(snd_soc_jack_add_pins);
 void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
 				    struct notifier_block *nb)
 {
-	blocking_notifier_chain_register(&jack->notifier, nb);
+	if (blocking_notifier_chain_register(&jack->notifier, nb))
+		pr_warn("Jack status notifier already registered\n");
 }
 EXPORT_SYMBOL_GPL(snd_soc_jack_notifier_register);