drivers/bluetooth/bpa10x.c: fix memleak

This patch fixea a memleak spotted by the Coverity checker.

Signed-off-by: Adrian Bunk <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/bluetooth/bpa10x.c

···
 		break;
 
 	default:
+		usb_free_urb(urb);
 		return -EILSEQ;
 	}