drivers/bluetooth/bpa10x.c: fix memleak

This patch fixea a memleak spotted by the Coverity checker.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c
index 1375b53..3b28658 100644
--- a/drivers/bluetooth/bpa10x.c
+++ b/drivers/bluetooth/bpa10x.c
@@ -423,6 +423,7 @@
 		break;
 
 	default:
+		usb_free_urb(urb);
 		return -EILSEQ;
 	}