diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 9b79c2199781a7fc171a2bb1eac02989e2f1b3b5..52b2e04cc5e27bbd33a177a184795224027ee23b 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -590,9 +590,17 @@ struct snd_soc_component *snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, { struct snd_soc_rtdcom_list *rtdcom; + if (!driver_name) + return NULL; + for_each_rtdcom(rtd, rtdcom) { - if ((rtdcom->component->driver->name == driver_name) || - strcmp(rtdcom->component->driver->name, driver_name) == 0) + const char *component_name = rtdcom->component->driver->name; + + if (!component_name) + continue; + + if ((component_name == driver_name) || + strcmp(component_name, driver_name) == 0) return rtdcom->component; }