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

[thirdparty/systemd.git] / src / libsystemd / sd-device / device-monitor.c

diff --git a/src/libsystemd/sd-device/device-monitor.c b/src/libsystemd/sd-device/device-monitor.c
index 42753abe0834aa3dbe8744c0694461de09dbe1f3..20a422c77cf347add270c7d417b486ab2ee62c70 100644 (file)
--- a/src/libsystemd/sd-device/device-monitor.c
+++ b/src/libsystemd/sd-device/device-monitor.c
@@ -361,13 +361,13 @@ int device_monitor_receive_device(sd_device_monitor *m, sd_device **ret) {
                 .iov_base = &buf,
                 .iov_len = sizeof(buf)
         };
-        char cred_msg[CMSG_SPACE(sizeof(struct ucred))];
+        CMSG_BUFFER_TYPE(CMSG_SPACE(sizeof(struct ucred))) control;
         union sockaddr_union snl;
         struct msghdr smsg = {
                 .msg_iov = &iov,
                 .msg_iovlen = 1,
-                .msg_control = cred_msg,
-                .msg_controllen = sizeof(cred_msg),
+                .msg_control = &control,
+                .msg_controllen = sizeof(control),
                 .msg_name = &snl,
                 .msg_namelen = sizeof(snl),
         };