diff options
Diffstat (limited to 'sound/core')
| -rw-r--r-- | sound/core/control.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/core/control.c b/sound/core/control.c index b9611344ff9e..5c35bbaf881e 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -1745,8 +1745,13 @@ int snd_ctl_enum_info(struct snd_ctl_elem_info *info, unsigned int channels, info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; info->count = channels; info->value.enumerated.items = items; + if (!items) + return 0; if (info->value.enumerated.item >= items) info->value.enumerated.item = items - 1; + WARN(strlen(names[info->value.enumerated.item]) >= sizeof(info->value.enumerated.name), + "ALSA: too long item name '%s'\n", + names[info->value.enumerated.item]); strlcpy(info->value.enumerated.name, names[info->value.enumerated.item], sizeof(info->value.enumerated.name)); |