read-cache: fix index corruption with index v4

diff --git a/attr.c b/attr.c
index 37454999d21e9dcea73e6717da608d80720235e8..2f49151736095cf2e2a76ea91d72743df3778a5d 100644 (file)
--- a/attr.c
+++ b/attr.c
@@ -76,17 +76,20 @@ struct attr_hash_entry {
 };
 
 /* attr_hashmap comparison function */
-static int attr_hash_entry_cmp(const struct attr_hash_entry *a,
-                              const struct attr_hash_entry *b,
-                              void *unused)
+static int attr_hash_entry_cmp(const void *unused_cmp_data,
+                              const void *entry,
+                              const void *entry_or_key,
+                              const void *unused_keydata)
 {
+       const struct attr_hash_entry *a = entry;
+       const struct attr_hash_entry *b = entry_or_key;
        return (a->keylen != b->keylen) || strncmp(a->key, b->key, a->keylen);
 }
 
 /* Initialize an 'attr_hashmap' object */
 static void attr_hashmap_init(struct attr_hashmap *map)
 {
-       hashmap_init(&map->map, (hashmap_cmp_fn) attr_hash_entry_cmp, 0);
+       hashmap_init(&map->map, attr_hash_entry_cmp, NULL, 0);
 }
 
 /*