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hc
2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c 
 kernel/drivers/vhost/vringh.c
....@@ -1077,7 +1077,7 @@
10771077 	struct vhost_iotlb_map *map;
10781078 	struct vhost_iotlb *iotlb = vrh->iotlb;
10791079 	int ret = 0;
1080
-	u64 s = 0;
1080
+	u64 s = 0, last = addr + len - 1;
10811081 
10821082 	while (len > s) {
10831083 		u64 size, pa, pfn;
....@@ -1087,8 +1087,7 @@
10871087 			break;
10881088 		}
10891089 
1090
-		map = vhost_iotlb_itree_first(iotlb, addr,
1091
-					      addr + len - 1);
1090
+		map = vhost_iotlb_itree_first(iotlb, addr, last);
10921091 		if (!map || map->start > addr) {
10931092 			ret = -EINVAL;
10941093 			break;