ASoC: soc-core: return 0 if np was NULL on snd_soc_daifmt_parse_clock_provider_raw()

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@renesas.com>
Tested-by: Stephen Gordon <gordoste@iinet.net.au>
Link: https://patch.msgid.link/87ttaco5jm.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index ca1db717405103aaf0f30f2b8caf8d8a32bc8a1c..9d2c8b3939446d79dd4fa52ea33570c15a994022 100644 (file)
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3369,6 +3369,9 @@ 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 = "";