diff options
| -rw-r--r-- | sound/core/control.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/core/control.c b/sound/core/control.c index bc64b723415b..a8b7fabe645e 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -436,6 +436,10 @@ static int snd_ctl_remove_user_ctl(struct snd_ctl_file * file, ret = -ENOENT; goto error; } + if (!(kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_USER)) { + ret = -EINVAL; + goto error; + } for (idx = 0; idx < kctl->count; idx++) if (kctl->vd[idx].owner != NULL && kctl->vd[idx].owner != file) { ret = -EBUSY; |