Merge branch 'ss/fix-config-fd-leak' into maint

* ss/fix-config-fd-leak:
  config: close config file handle in case of error

Author: gitster

config.c

@@ -1954,7 +1954,7 @@ int git_config_set_multivar_in_file(const char *config_filename,
 				const char *key, const char *value,
 				const char *value_regex, int multi_replace)
 {
-	int fd = -1, in_fd;
+	int fd = -1, in_fd = -1;
 	int ret;
 	struct lock_file *lock = NULL;
 	char *filename_buf = NULL;
@@ -2084,6 +2084,7 @@ int git_config_set_multivar_in_file(const char *config_filename,
 			goto out_free;
 		}
 		close(in_fd);
+		in_fd = -1;
 
 		if (chmod(lock->filename.buf, st.st_mode & 07777) < 0) {
 			error("chmod on %s failed: %s",
@@ -2167,6 +2168,8 @@ int git_config_set_multivar_in_file(const char *config_filename,
 	free(filename_buf);
 	if (contents)
 		munmap(contents, contents_sz);
+	if (in_fd >= 0)
+		close(in_fd);
 	return ret;
 
 write_err_out: