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-rw-r--r--Documentation/technical/api-hashmap.txt4
-rw-r--r--sha1_file.c9
2 files changed, 7 insertions, 6 deletions
diff --git a/Documentation/technical/api-hashmap.txt b/Documentation/technical/api-hashmap.txt
index 28f5a8b..a3f020c 100644
--- a/Documentation/technical/api-hashmap.txt
+++ b/Documentation/technical/api-hashmap.txt
@@ -188,7 +188,9 @@ Returns the removed entry, or NULL if not found.
`void *hashmap_iter_next(struct hashmap_iter *iter)`::
`void *hashmap_iter_first(struct hashmap *map, struct hashmap_iter *iter)`::
- Used to iterate over all entries of a hashmap.
+ Used to iterate over all entries of a hashmap. Note that it is
+ not safe to add or remove entries to the hashmap while
+ iterating.
+
`hashmap_iter_init` initializes a `hashmap_iter` structure.
+
diff --git a/sha1_file.c b/sha1_file.c
index 1173071..7827f4e 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -2350,11 +2350,10 @@ static inline void release_delta_base_cache(struct delta_base_cache_entry *ent)
void clear_delta_base_cache(void)
{
- struct hashmap_iter iter;
- struct delta_base_cache_entry *entry;
- for (entry = hashmap_iter_first(&delta_base_cache, &iter);
- entry;
- entry = hashmap_iter_next(&iter)) {
+ struct list_head *lru, *tmp;
+ list_for_each_safe(lru, tmp, &delta_base_cache_lru) {
+ struct delta_base_cache_entry *entry =
+ list_entry(lru, struct delta_base_cache_entry, lru);
release_delta_base_cache(entry);
}
}