[PATCH v2] ALSA: hda: Add error check for snd_ctl_rename_id() in snd_hda_create_dig_out_ctls()

[Wentao Liang <vulab@xxxxxxxxxxx>]

Check the return value of snd_ctl_rename_id() in
snd_hda_create_dig_out_ctls(). Ensure that failures
are properly handled.

Fixes: 5c219a340850 ("ALSA: hda: Fix kctl->id initialization")
Cc: stable@xxxxxxxxxxxxxxx # 6.4+
Signed-off-by: Wentao Liang <vulab@xxxxxxxxxxx>
---
 sound/pci/hda/hda_codec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 14763c0f31ad..46a220404999 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2470,7 +2470,9 @@ int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
 				break;
 			id = kctl->id;
 			id.index = spdif_index;
-			snd_ctl_rename_id(codec->card, &kctl->id, &id);
+			err = snd_ctl_rename_id(codec->card, &kctl->id, &id);
+			if (err < 0)
+				return err;
 		}
 		bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
 	}
-- 
2.42.0.windows.2