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

BugLink: https://bugs.launchpad.net/bugs/2106632

[ Upstream commit b06a6187ef983f501e93faa56209169752d3bde3 ]

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 <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Manuel Diewald <[email protected]>
Signed-off-by: Mehmet Basaran <[email protected]>

Author: TanyaAgarwal25

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: {