close lock_fd if flock failed (#2231)

old-commit-hash: 9983389ffebe3383736111b0b4ad762aa9ef580b
2020-09-28 17:47:38 +08:00
parent f127e4048e
commit 63c8162fd3
1 changed files with 4 additions and 1 deletions
--- a/selfdrive/common/params.cc
+++ b/selfdrive/common/params.cc
@@ -305,7 +305,10 @@ int read_db_all(std::map<std::string, std::string> *params, bool persistent_para
  if (lock_fd < 0) return -1;

  err = flock(lock_fd, LOCK_SH);
-  if (err < 0) return err;
+  if (err < 0) {
+    close(lock_fd);
+    return err;
+  }

  std::string key_path = util::string_format("%s/d", params_path);
  DIR *d = opendir(key_path.c_str());