[PATCH v2 4/6] ASoC: soc-core: return 0 if np was NULL on snd_soc_daifmt_parse_clock_provider_raw()

[Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>]

snd_soc_daifmt_parse_clock_provider_raw() might be called with NULL np.
Return 0 in such case.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
 sound/soc/soc-core.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 710c278e4f36b..31cf499e3e79d 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3390,6 +3390,9 @@ unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np,
 	char prop[128];
 	unsigned int bit, frame;
 
+	if (!np)
+		return 0;
+
 	if (!prefix)
 		prefix = "";
 
-- 
2.43.0