---

yaml --- r: 282004 b: refs/heads/master c: 1a21424 h: refs/heads/master v: v3
git-mirror · Dec 27, 2011 · 4624cff · 4624cff
1 parent 1bef8eb
commit 4624cff
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Showing 2 changed files with 10 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3f2e5260f5a17d37be3e3c83aca2f335b9bf3893
+refs/heads/master: 1a214246cbb431f7430f7d0c0fb66218a6f442d2
diff --git a/trunk/virt/kvm/coalesced_mmio.c b/trunk/virt/kvm/coalesced_mmio.c
@@ -28,9 +28,15 @@ static int coalesced_mmio_in_range(struct kvm_coalesced_mmio_dev *dev,
 	 * (addr,len) is fully included in
 	 * (zone->addr, zone->size)
 	 */
-
-	return (dev->zone.addr <= addr &&
-		addr + len <= dev->zone.addr + dev->zone.size);
+	if (len < 0)
+		return 0;
+	if (addr + len < addr)
+		return 0;
+	if (addr < dev->zone.addr)
+		return 0;
+	if (addr + len > dev->zone.addr + dev->zone.size)
+		return 0;
+	return 1;
 }
 
 static int coalesced_mmio_has_room(struct kvm_coalesced_mmio_dev *dev)