[PATCH] reiserfsprogs: id_map_init off-by-one

[Jeff Mahoney]

 The following patch fixes a bug where reiserfsck will crash if OIDs up around
 the maximum are in use. The problem is that INDEX_COUNT ends up rounding down
 and the last chunk isn't allocated, causing a segfault.

--- reiserfsprogs-3.6.19/fsck/uobjectid.c       2004-06-17 15:57:39.000000000 
-0400
+++ reiserfsprogs-3.6.19.devel/fsck/uobjectid.c 2006-04-20 15:05:45.000000000 
-0400
@@ -33,7 +33,7 @@ id_map_t *id_map_init() {
     __u32 i;
  
     map = getmem(sizeof(id_map_t));
-    map->index = mem_alloc(INDEX_COUNT * sizeof(void *));
+    map->index = mem_alloc((INDEX_COUNT + 1) * sizeof(void *));
 
     for (i = 0; i < INDEX_COUNT; i++) {
        if (map->index[i] != (void *)0)