dix: Remove RegisterPairingClient and UnregisterPairingClient.

dix/devices.c

@@ -2371,11 +2371,6 @@ PairDevices(ClientPtr client, DeviceIntPtr ptr, DeviceIntPtr kbd)
     if (ptr->spriteInfo->paired)
         return BadDevice;
 
-    if (!pairingClient)
-        RegisterPairingClient(client);
-    else if (client && pairingClient != client)
-        return BadAccess;
-
     if (kbd->spriteInfo->spriteOwner)
     {
         xfree(kbd->spriteInfo->sprite);
@@ -2409,11 +2404,6 @@ AttachDevice(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr master)
     if (master && !master->isMaster) /* can't attach to slaves */
         return BadDevice;
 
-    if (!pairingClient)
-        RegisterPairingClient(client);
-    else if (client && pairingClient != client)
-        return BadAccess;
-
     /* set from floating to floating? */
     if (!dev->u.master && !master)
         return Success;
@@ -2495,39 +2485,6 @@ GetPairedDevice(DeviceIntPtr dev)
     return dev->spriteInfo->paired;
 }
 
-/*
- * Register a client to be able to pair devices.
- */
-Bool
-RegisterPairingClient(ClientPtr client)
-{
-    if (!pairingClient)
-    {
-        pairingClient = client;
-    } else if (pairingClient != client)
-    {
-        return False;
-    }
-    return True;
-}
-
-/*
- * Unregister pairing client;
- */
-Bool
-UnregisterPairingClient(ClientPtr client)
-{
-    if (pairingClient)
-    {
-        if ( pairingClient == client)
-        {
-            pairingClient = NULL;
-        } else
-            return False;
-    }
-    return True;
-}
-
 /* Guess a pointer that could be a good one for pairing. Any pointer that is
  * not yet paired with keyboard is considered a good one.
  * If no pointer is found, the last real pointer is chosen. If that doesn't

dix/dispatch.c

@@ -3572,7 +3572,6 @@ CloseDownClient(ClientPtr client)
 	ReleaseActiveGrabs(client);
 	DeleteClientFontStuff(client);
         ACUnregisterClient(client);
-        UnregisterPairingClient(client); /* other clients can pair devices */
 	if (!really_close_down)
 	{
 	    /*  This frees resources that should never be retained

include/input.h

@@ -475,7 +475,6 @@ extern int AttachDevice(ClientPtr client,
 extern DeviceIntPtr GetPairedDevice(DeviceIntPtr kbd);
 
 extern Bool RegisterPairingClient(ClientPtr client);
-extern Bool UnregisterPairingClient(ClientPtr client);
 
 extern DeviceIntPtr GuessFreePointerDevice(void);
 extern DeviceIntPtr NextFreePointerDevice(void);