ALSA: hda - Add missing NULL check in snd_hda_create_spdif_in_ctls()

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index c9158799ccb6..93412f335dc4 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1984,6 +1984,8 @@ int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
         }
         for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
                 kctl = snd_ctl_new1(dig_mix, codec);
+                if (!kctl)
+                        return -ENOMEM;
                 kctl->private_value = nid;
                 err = snd_hda_ctl_add(codec, kctl);
                 if (err < 0)