Merge branch 'rs/use-free-and-null'

diff --git a/builtin/checkout.c b/builtin/checkout.c
index 52f1b67708b98a199efa842360faf1b065a37284..10751585ea38c282d439e4128c895c01a2598985 100644 (file)
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -436,6 +436,7 @@ static int reset_tree(struct tree *tree, const struct checkout_opts *o,
                 * update paths in the work tree, and we cannot revert
                 * them.
                 */
+               /* fallthrough */
        case 0:
                return 0;
        default:
@@ -868,7 +869,7 @@ static int git_checkout_config(const char *var, const char *value, void *cb)
        }
 
        if (starts_with(var, "submodule."))
-               return submodule_config(var, value, NULL);
+               return git_default_submodule_config(var, value, NULL);
 
        return git_xmerge_config(var, value, NULL);
 }
@@ -1123,9 +1124,8 @@ static int checkout_branch(struct checkout_opts *opts,
 
        if (new->path && !opts->force_detach && !opts->new_branch &&
            !opts->ignore_other_worktrees) {
-               struct object_id oid;
                int flag;
-               char *head_ref = resolve_refdup("HEAD", 0, oid.hash, &flag);
+               char *head_ref = resolve_refdup("HEAD", 0, NULL, &flag);
                if (head_ref &&
                    (!(flag & REF_ISSYMREF) || strcmp(head_ref, new->path)))
                        die_if_checked_out(new->path, 1);
@@ -1189,7 +1189,6 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
        opts.prefix = prefix;
        opts.show_progress = -1;
 
-       gitmodules_config();
        git_config(git_checkout_config, &opts);
 
        opts.track = BRANCH_TRACK_UNSPECIFIED;