diff options
| -rw-r--r-- | refs.c | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -820,7 +820,9 @@ struct packed_ref_cache { /* * Iff the packed-refs file associated with this instance is * currently locked for writing, this points at the associated - * lock (which is owned by somebody else). + * lock (which is owned by somebody else). The referrer count + * is also incremented when the file is locked and decremented + * when it is unlocked. */ struct lock_file *lock; }; @@ -2099,6 +2101,8 @@ int lock_packed_refs(int flags) /* Read the current packed-refs while holding the lock: */ packed_ref_cache = get_packed_ref_cache(&ref_cache); packed_ref_cache->lock = &packlock; + /* Increment the reference count to prevent it from being freed: */ + acquire_packed_ref_cache(packed_ref_cache); return 0; } @@ -2119,6 +2123,7 @@ int commit_packed_refs(void) if (commit_lock_file(packed_ref_cache->lock)) error = -1; packed_ref_cache->lock = NULL; + release_packed_ref_cache(packed_ref_cache); return error; } @@ -2131,6 +2136,7 @@ void rollback_packed_refs(void) die("internal error: packed-refs not locked"); rollback_lock_file(packed_ref_cache->lock); packed_ref_cache->lock = NULL; + release_packed_ref_cache(packed_ref_cache); clear_packed_ref_cache(&ref_cache); } |