lib-master: Ensure cache fd is closed on exec

Prevents it from leaking by accident.

diff --git a/src/lib-master/master-service-settings.c b/src/lib-master/master-service-settings.c
index acdeab09e141a177fc3b2a4e023ea2f4141a23df..7d10707f3da54f6c26db55fe9819e7df135392fa 100644 (file)
--- a/src/lib-master/master-service-settings.c
+++ b/src/lib-master/master-service-settings.c
@@ -337,6 +337,8 @@ static int master_service_binary_config_cache_get(const char *cache_dir,
        int fd = open(cache_path, O_RDONLY);
        if (fd == -1 && errno != ENOENT)
                i_error("Binary config cache: open(%s) failed: %m", cache_path);
+       else if (fd != -1)
+               fd_close_on_exec(fd, TRUE);
        return fd;
 }