ieee1394: ieee1394_transactions.c: remove dead code

This patch removes dead code spotted by the Intel C Compiler.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

drivers/ieee1394/ieee1394_transactions.c

@@ -235,7 +235,6 @@ int hpsb_packet_success(struct hpsb_packet *packet)
 				 packet->node_id);
 			return -EAGAIN;
 		}
-		BUG();
 
 	case ACK_BUSY_X:
 	case ACK_BUSY_A:
@@ -282,7 +281,6 @@ int hpsb_packet_success(struct hpsb_packet *packet)
 			 packet->ack_code, packet->node_id, packet->tcode);
 		return -EAGAIN;
 	}
-	BUG();
 }
 
 struct hpsb_packet *hpsb_make_readpacket(struct hpsb_host *host, nodeid_t node,