1 files changed, 2 insertions, 1 deletions

diff --git a/cache.c b/cache.c
index b947a34..39e63a5 100644
--- a/cache.c
+++ b/cache.c
@@ -65,40 +65,41 @@ int cache_refill_overdue(const char *lockfile)
 {
         struct stat st;
 
         if (stat(lockfile, &st))
                 return 0;
         else
                 return (time(NULL) - st.st_mtime > cgit_cache_max_create_time);
 }
 
 int cache_lock(struct cacheitem *item)
 {
         int i = 0;
-        char *lockfile = fmt("%s.lock", item->name);
+        char *lockfile = xstrdup(fmt("%s.lock", item->name));
 
  top:
         if (++i > cgit_max_lock_attempts)
                 die("cache_lock: unable to lock %s: %s",
                     item->name, strerror(errno));
 
                item->fd = open(lockfile, O_WRONLY|O_CREAT|O_EXCL, S_IRUSR|S_IWUSR);
 
         if (item->fd == NOLOCK && errno == ENOENT && cache_create_dirs())
                 goto top;
 
         if (item->fd == NOLOCK && errno == EEXIST &&
             cache_refill_overdue(lockfile) && !unlink(lockfile))
                         goto top;
 
+        free(lockfile);
         return (item->fd > 0);
 }
 
 int cache_unlock(struct cacheitem *item)
 {
         close(item->fd);
         return (rename(fmt("%s.lock", item->name), item->name) == 0);
 }
 
 int cache_cancel_lock(struct cacheitem *item)
 {
         return (unlink(fmt("%s.lock", item->name)) == 0);