check-ref-format: release strbuf after use in check_ref_format_branch()

diff --git a/repository.c b/repository.c
index edca9074046ab1ca9826d2479bcca11018ba1873..f107af7d763e848648ace5da0010be4df2e0d4dc 100644 (file)
--- a/repository.c
+++ b/repository.c
@@ -4,7 +4,9 @@
 #include "submodule-config.h"
 
 /* The main repository */
-static struct repository the_repo;
+static struct repository the_repo = {
+       NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, &the_index, 0, 0
+};
 struct repository *the_repository = &the_repo;
 
 static char *git_path_from_env(const char *envvar, const char *git_dir,
@@ -158,7 +160,7 @@ int repo_submodule_init(struct repository *submodule,
        struct strbuf worktree = STRBUF_INIT;
        int ret = 0;
 
-       sub = submodule_from_cache(superproject, null_sha1, path);
+       sub = submodule_from_cache(superproject, &null_oid, path);
        if (!sub) {
                ret = -1;
                goto out;
@@ -235,8 +237,6 @@ int repo_read_index(struct repository *repo)
 {
        if (!repo->index)
                repo->index = xcalloc(1, sizeof(*repo->index));
-       else
-               discard_index(repo->index);
 
        return read_index_from(repo->index, repo->index_file);
 }