ALSA: usb-audio: US16x08: Initialize array before use

JIRA: https://issues.redhat.com/browse/RHEL-76110

commit b06a618
Author: Tanya Agarwal <tanyaagarwal25699@gmail.com>
Date: Sun Dec 29 11:32:42 2024 +0530

    ALSA: usb-audio: US16x08: Initialize array before use

    Initialize meter_urb array before use in mixer_us16x08.c.

    CID 1410197: (#1 of 1): Uninitialized scalar variable (UNINIT)
    uninit_use_in_call: Using uninitialized value *meter_urb when
    calling get_meter_levels_from_urb.

    Coverity Link:
    https://scan7.scan.coverity.com/#/project-view/52849/11354?selectedIssue=1410197

    Fixes: d2bb390 ("ALSA: usb-audio: Tascam US-16x08 DSP mixer quirk")
    Signed-off-by: Tanya Agarwal <tanyaagarwal25699@gmail.com>
    Link: https://patch.msgid.link/20241229060240.1642-1-tanyaagarwal25699@gmail.com
    Signed-off-by: Takashi Iwai <tiwai@suse.de>

Signed-off-by: Jaroslav Kysela <jkysela@redhat.com>

Author: jkysela-rh

sound/usb/mixer_us16x08.c

@@ -687,7 +687,7 @@ static int snd_us16x08_meter_get(struct snd_kcontrol *kcontrol,
 	struct usb_mixer_elem_info *elem = kcontrol->private_data;
 	struct snd_usb_audio *chip = elem->head.mixer->chip;
 	struct snd_us16x08_meter_store *store = elem->private_data;
-	u8 meter_urb[64];
+	u8 meter_urb[64] = {0};
 
 	switch (kcontrol->private_value) {
 	case 0: {