rxrpc: Rename ar-error.c to peer-event.c

Rename ar-error.c to peer-event.c.  This will form the core of the peer
event handling code.
Signed-off-by: David Howells <dhowells@redhat.com>

net/rxrpc/Makefile

@@ -9,7 +9,6 @@ af-rxrpc-y := \
 	ar-call.o \
 	ar-connection.o \
 	ar-connevent.o \
-	ar-error.o \
 	ar-input.o \
 	ar-key.o \
 	ar-output.o \
@@ -20,6 +19,7 @@ af-rxrpc-y := \
 	local-event.o \
 	local-object.o \
 	objcache.o \
+	peer-event.o \
 	peer-object.o \
 	utils.o
 

net/rxrpc/ar-internal.h

@@ -578,12 +578,6 @@ void rxrpc_process_connection(struct work_struct *);
 void rxrpc_reject_packet(struct rxrpc_local *, struct sk_buff *);
 void rxrpc_reject_packets(struct work_struct *);
 
-/*
- * ar-error.c
- */
-void rxrpc_UDP_error_report(struct sock *);
-void rxrpc_UDP_error_handler(struct work_struct *);
-
 /*
  * ar-input.c
  */
@@ -684,6 +678,12 @@ static inline void rxrpc_put_local(struct rxrpc_local *local)
 	objcache_put(&rxrpc_local_cache, &local->obj);
 }
 
+/*
+ * peer-event.c
+ */
+void rxrpc_UDP_error_report(struct sock *);
+void rxrpc_UDP_error_handler(struct work_struct *);
+
 /*
  * peer-object.c
  */