submodule: add die_in_unpopulated_submodule function

diff --git a/server-info.c b/server-info.c
index 7bc4e75d22ce099ca68aa1fac50c9123546ec5b7..f6c1a3dfb04bff5310a1b930b03478d88c9c2904 100644 (file)
--- a/server-info.c
+++ b/server-info.c
@@ -14,19 +14,21 @@ static int update_info_file(char *path, int (*generate)(FILE *))
        char *tmp = mkpathdup("%s_XXXXXX", path);
        int ret = -1;
        int fd = -1;
-       FILE *fp = NULL;
+       FILE *fp = NULL, *to_close;
 
        safe_create_leading_directories(path);
        fd = git_mkstemp_mode(tmp, 0666);
        if (fd < 0)
                goto out;
-       fp = fdopen(fd, "w");
+       to_close = fp = fdopen(fd, "w");
        if (!fp)
                goto out;
+       fd = -1;
        ret = generate(fp);
        if (ret)
                goto out;
-       if (fclose(fp))
+       fp = NULL;
+       if (fclose(to_close))
                goto out;
        if (adjust_shared_perm(tmp) < 0)
                goto out;