diff options
Diffstat (limited to 'sound/usb/mixer.c')
| -rw-r--r-- | sound/usb/mixer.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index dfd918891e69..e7d441d0e839 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -2075,11 +2075,15 @@ static int parse_audio_input_terminal(struct mixer_build *state, int unitid, if (state->mixer->protocol == UAC_VERSION_2) { struct uac2_input_terminal_descriptor *d_v2 = raw_desc; + if (d_v2->bLength < sizeof(*d_v2)) + return -EINVAL; control = UAC2_TE_CONNECTOR; term_id = d_v2->bTerminalID; bmctls = le16_to_cpu(d_v2->bmControls); } else if (state->mixer->protocol == UAC_VERSION_3) { struct uac3_input_terminal_descriptor *d_v3 = raw_desc; + if (d_v3->bLength < sizeof(*d_v3)) + return -EINVAL; control = UAC3_TE_INSERTION; term_id = d_v3->bTerminalID; bmctls = le32_to_cpu(d_v3->bmControls); |