diff options
| -rw-r--r-- | sound/usb/mixer.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index b8ce651e392c..61b348383de8 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -2098,7 +2098,8 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid, const struct usbmix_name_map *map; char **namelist; - if (!desc->bNrInPins || desc->bLength < 5 + desc->bNrInPins) { + if (desc->bLength < 5 || !desc->bNrInPins || + desc->bLength < 5 + desc->bNrInPins) { usb_audio_err(state->chip, "invalid SELECTOR UNIT descriptor %d\n", unitid); return -EINVAL; |