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-rw-r--r--sound/usb/bcd2000/bcd2000.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/usb/bcd2000/bcd2000.c b/sound/usb/bcd2000/bcd2000.c
index 7371e5b06035..a6408209d7f1 100644
--- a/sound/usb/bcd2000/bcd2000.c
+++ b/sound/usb/bcd2000/bcd2000.c
@@ -342,6 +342,13 @@ static int bcd2000_init_midi(struct bcd2000 *bcd2k)
bcd2k->midi_out_buf, BUFSIZE,
bcd2000_output_complete, bcd2k, 1);
+ /* sanity checks of EPs before actually submitting */
+ if (usb_urb_ep_type_check(bcd2k->midi_in_urb) ||
+ usb_urb_ep_type_check(bcd2k->midi_out_urb)) {
+ dev_err(&bcd2k->dev->dev, "invalid MIDI EP\n");
+ return -EINVAL;
+ }
+
bcd2000_init_device(bcd2k);
return 0;