1 files changed, 3 insertions, 0 deletions

diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c
index 5d32857ff955..600d990ddc90 100644
--- a/sound/usb/usbmidi.c
+++ b/sound/usb/usbmidi.c
@@ -1229,6 +1229,9 @@ static int snd_usbmidi_detect_endpoints(snd_usb_midi_t* umidi,
         if (le16_to_cpu(umidi->chip->dev->descriptor.idVendor) == 0x0582)
                 snd_usbmidi_switch_roland_altsetting(umidi);
 
+        if (endpoint[0].out_ep || endpoint[0].in_ep)
+                return 0;       
+
         intf = umidi->iface;
         if (!intf || intf->num_altsetting < 1)
                 return -ENOENT;