diff options
Diffstat (limited to 'sound/hda/common/codec.c')
| -rw-r--r-- | sound/hda/common/codec.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/hda/common/codec.c b/sound/hda/common/codec.c index c2af2511a831..81f266b9b850 100644 --- a/sound/hda/common/codec.c +++ b/sound/hda/common/codec.c @@ -1699,6 +1699,9 @@ int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid, unsigned short flags = 0; struct hda_nid_item *item; + if (!kctl) + return -EINVAL; + if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) { flags |= HDA_NID_ITEM_AMP; if (nid == 0) |