ASoC: simple_card_utils.h: care NULL dai at asoc_simple_debug_dai()

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>
Link: https://lore.kernel.org/r/87o922gw4u.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h
index 954563e..985a5f5 100644 (file)
--- 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);