ALSA: usb/mixer - use get_iface_desc() rather than direct structure

Signed-off-by: Jaroslav Kysela <[email protected]>
uejji · Apr 16, 2010 · ca4c2ad · ca4c2ad
1 parent f09d045
commit ca4c2ad
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
@@ -2055,7 +2055,7 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
 	}
 
 	host_iface = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0];
-	mixer->protocol = host_iface->desc.bInterfaceProtocol;
+	mixer->protocol = get_iface_desc(host_iface)->bInterfaceProtocol;
 
 	if ((err = snd_usb_mixer_controls(mixer)) < 0 ||
 	    (err = snd_usb_mixer_status_create(mixer)) < 0)