size_t objects should be printed with %Z printf format.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
        sctp_xmit_t retval;
        int error = 0;
 
-       pr_debug("%s: packet:%p size:%lu chunk:%p size:%d\n", __func__,
+       pr_debug("%s: packet:%p size:%Zu chunk:%p size:%d\n", __func__,
                 packet, packet->size, chunk, chunk->skb ? chunk->skb->len : -1);
 
        switch ((retval = (sctp_packet_append_chunk(packet, chunk)))) {