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

[thirdparty/systemd.git] / src / libsystemd-network / sd-dhcp-client.c

diff --git a/src/libsystemd-network/sd-dhcp-client.c b/src/libsystemd-network/sd-dhcp-client.c
index 47f60d4a2a3ab655757cd6b6387357c88b2eeb23..ee0e63e113c161c488a938347aa47ee90f00daf5 100644 (file)
--- a/src/libsystemd-network/sd-dhcp-client.c
+++ b/src/libsystemd-network/sd-dhcp-client.c
@@ -1899,13 +1899,13 @@ static int client_receive_message_raw(
 
         sd_dhcp_client *client = userdata;
         _cleanup_free_ DHCPPacket *packet = NULL;
-        uint8_t cmsgbuf[CMSG_SPACE(sizeof(struct tpacket_auxdata))];
+        CMSG_BUFFER_TYPE(CMSG_SPACE(sizeof(struct tpacket_auxdata))) control;
         struct iovec iov = {};
         struct msghdr msg = {
                 .msg_iov = &iov,
                 .msg_iovlen = 1,
-                .msg_control = cmsgbuf,
-                .msg_controllen = sizeof(cmsgbuf),
+                .msg_control = &control,
+                .msg_controllen = sizeof(control),
         };
         struct cmsghdr *cmsg;
         bool checksum = true;