Merge tag 'mips_fixes_4.16_2' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan...

[linux.git] / sound / usb / pcm.c

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index b9c9a19f9588a8c2eab67e6bd2ad8e5b531c7655..3cbfae6604f98b77f5cc6fe12c32ce4f7ce477c7 100644 (file)
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -352,6 +352,15 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs,
                ep = 0x86;
                iface = usb_ifnum_to_if(dev, 2);
 
+               if (!iface || iface->num_altsetting == 0)
+                       return -EINVAL;
+
+               alts = &iface->altsetting[1];
+               goto add_sync_ep;
+       case USB_ID(0x1397, 0x0002):
+               ep = 0x81;
+               iface = usb_ifnum_to_if(dev, 1);
+
                if (!iface || iface->num_altsetting == 0)
                        return -EINVAL;