tree-wide: make sure our control buffers are properly aligned

[thirdparty/systemd.git] / src / nspawn / nspawn.c

diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 43c6b6845ed1960bef344941780866edf8ad8b37..8e8881749aa54f56cf21936c8767a80556b65f9b 100644 (file)
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -3687,11 +3687,8 @@ static int nspawn_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t r
                 .iov_base = buf,
                 .iov_len = sizeof(buf)-1,
         };
-        union {
-                struct cmsghdr cmsghdr;
-                uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) +
-                            CMSG_SPACE(sizeof(int) * NOTIFY_FD_MAX)];
-        } control = {};
+        CMSG_BUFFER_TYPE(CMSG_SPACE(sizeof(struct ucred)) +
+                         CMSG_SPACE(sizeof(int) * NOTIFY_FD_MAX)) control;
         struct msghdr msghdr = {
                 .msg_iov = &iovec,
                 .msg_iovlen = 1,