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From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
To: Mark Brown <broonie@kernel.org>
Cc: Linux-ALSA <alsa-devel@alsa-project.org>
Subject: [PATCH for v5.3] ASoC: simple_card_utils.h: care NULL dai at asoc_simple_debug_dai()
Date: 10 Jul 2019 16:59:55 +0900	[thread overview]
Message-ID: <87o922gw4u.wl-kuninori.morimoto.gx@renesas.com> (raw)

From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

props->xxx_dai might be NULL when DPCM.
This patch cares it for debug.

Fixes: commit 0580dde59438 ("ASoC: simple-card-utils: add asoc_simple_debug_info()")
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
 include/sound/simple_card_utils.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h
index 954563e..985a5f5 100644
--- a/include/sound/simple_card_utils.h
+++ b/include/sound/simple_card_utils.h
@@ -141,6 +141,10 @@ inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv,
 {
 	struct device *dev = simple_priv_to_dev(priv);
 
+	/* dai might be NULL */
+	if (!dai)
+		return;
+
 	if (dai->name)
 		dev_dbg(dev, "%s dai name = %s\n",
 			name, dai->name);
-- 
2.7.4

             reply	other threads:[~2019-07-10  7:59 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-10  7:59 Kuninori Morimoto [this message]
2019-07-10 15:34 ` Applied "ASoC: simple_card_utils.h: care NULL dai at asoc_simple_debug_dai()" to the asoc tree Mark Brown

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