tipc: eliminate redundant lookups in registry

As an artefact from the native interface, the message sending functions
in the port takes a port ref as first parameter, and then looks up in
the registry to find the corresponding port pointer. This despite the
fact that the only currently existing caller, tipc_sock, already knows
this pointer.

We change the signature of these functions to take a struct tipc_port*
argument, and remove the redundant lookups.

We also remove an unmotivated extra lookup in the function
socket.c:auto_connect(), and, as the lookup functions tipc_port_deref()
and ref_deref() now become unused, we remove these two functions.

Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 17 deletions

diff --git a/net/tipc/ref.c b/net/tipc/ref.c
index 67176b5e14f3..3d4ecd754eee 100644
--- a/net/tipc/ref.c
+++ b/net/tipc/ref.c
@@ -264,20 +264,3 @@ void *tipc_ref_lock(u32 ref)
 	}
 	return NULL;
 }
-
-
-/**
- * tipc_ref_deref - return pointer referenced object (without locking it)
- */
-void *tipc_ref_deref(u32 ref)
-{
-	if (likely(tipc_ref_table.entries)) {
-		struct reference *entry;
-
-		entry = &tipc_ref_table.entries[ref &
-						tipc_ref_table.index_mask];
-		if (likely(entry->ref == ref))
-			return entry->object;
-	}
-	return NULL;
-}