[PATCH] resource: Remove a useless iteration

[Adam Jackson]

v2: More aggressive loop rewrite pointed out by Daniel.

Signed-off-by: Adam Jackson <ajax at redhat.com>
---
 dix/resource.c |   28 ++++++++++++----------------
 1 files changed, 12 insertions(+), 16 deletions(-)

diff --git a/dix/resource.c b/dix/resource.c
index 6bd2403..ed8cc35 100644
--- a/dix/resource.c
+++ b/dix/resource.c
@@ -380,9 +380,8 @@ void
 GetXIDRange(int client, Bool server, XID *minp, XID *maxp)
 {
     XID id, maxid;
-    ResourcePtr *resp;
-    ResourcePtr res;
     int i;
+    ResourcePtr res;
     XID goodid;
 
     id = (Mask)client << CLIENTOFFSET;
@@ -390,20 +389,17 @@ GetXIDRange(int client, Bool server, XID *minp, XID *maxp)
 	id |= client ? SERVER_BIT : SERVER_MINID;
     maxid = id | RESOURCE_ID_MASK;
     goodid = 0;
-    for (resp = clientTable[client].resources, i = clientTable[client].buckets;
-	 --i >= 0;)
-    {
-	for (res = *resp++; res; res = res->next)
-	{
-	    if ((res->id < id) || (res->id > maxid))
-		continue;
-	    if (((res->id - id) >= (maxid - res->id)) ?
-		(goodid = AvailableID(client, id, res->id - 1, goodid)) :
-		!(goodid = AvailableID(client, res->id + 1, maxid, goodid)))
-		maxid = res->id - 1;
-	    else
-		id = res->id + 1;
-	}
+
+    for (i = 0; i < clientTable[client].buckets; i++) {
+	res = clientTable[client].resources[i];
+	if ((res->id < id) || (res->id > maxid))
+	    continue;
+	if (((res->id - id) >= (maxid - res->id)) ?
+	    (goodid = AvailableID(client, id, res->id - 1, goodid)) :
+	    !(goodid = AvailableID(client, res->id + 1, maxid, goodid)))
+	    maxid = res->id - 1;
+	else
+	    id = res->id + 1;
     }
     if (id > maxid)
 	id = maxid = 0;
-- 
1.7.3.4