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yaml --- r: 180728 b: refs/heads/master c: d2e7276 h: refs/heads/master v: v3
git-mirror · Feb 23, 2010 · 6ba50ec · 6ba50ec
1 parent 7db80d7
commit 6ba50ec
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 701188374b6f1ef9cf7e4dce4a2e69ef4c0012ac
+refs/heads/master: d2e7276b6b5e4bc2148891a056d5862c5314342d
diff --git a/trunk/lib/idr.c b/trunk/lib/idr.c
@@ -156,10 +156,12 @@ static int sub_alloc(struct idr *idp, int *starting_id, struct idr_layer **pa)
 			id = (id | ((1 << (IDR_BITS * l)) - 1)) + 1;
 
 			/* if already at the top layer, we need to grow */
-			if (!(p = pa[l])) {
+			if (id >= 1 << (idp->layers * IDR_BITS)) {
 				*starting_id = id;
 				return IDR_NEED_TO_GROW;
 			}
+			p = pa[l];
+			BUG_ON(!p);
 
 			/* If we need to go up one layer, continue the
 			 * loop; otherwise, restart from the top.