RDMA/cxgb4: Don't leak skb in c4iw_uld_rx_handler()

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c
index 4a03385..982f815 100644
--- a/drivers/infiniband/hw/cxgb4/device.c
+++ b/drivers/infiniband/hw/cxgb4/device.c
@@ -897,11 +897,13 @@
 	}
 
 	opcode = *(u8 *)rsp;
-	if (c4iw_handlers[opcode])
+	if (c4iw_handlers[opcode]) {
 		c4iw_handlers[opcode](dev, skb);
-	else
+	} else {
 		pr_info("%s no handler opcode 0x%x...\n", __func__,
 		       opcode);
+		kfree_skb(skb);
+	}
 
 	return 0;
 nomem: