The dai driver's name is allowed to be NULL. So add a sanity check for that.
Signed-off-by: Jeffy Chen jeffy.chen@rock-chips.com Reported-by: Donglin Peng dolinux.peng@gmail.com ---
Changes in v2: Keep the oringinal check style.
sound/soc/soc-core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index fc1bb2da3e2e..c38c8f844546 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1029,7 +1029,8 @@ struct snd_soc_dai *snd_soc_find_dai( continue; list_for_each_entry(dai, &component->dai_list, list) { if (dlc->dai_name && strcmp(dai->name, dlc->dai_name) - && strcmp(dai->driver->name, dlc->dai_name)) + && (!dai->driver->name + || !strcmp(dai->driver->name, dlc->dai_name)) continue;
return dai;