};
 
 #define KSMBD_TRANS(t) ((struct ksmbd_transport *)&((t)->transport))
-#define SMB_DIRECT_TRANS(t) ((struct smb_direct_transport *)container_of(t, \
-                               struct smb_direct_transport, transport))
 
 enum {
        SMB_DIRECT_MSG_NEGOTIATE_REQ = 0,
                                     struct kvec *iov, int niov,
                                     int remaining_data_length);
 
+static inline struct smb_direct_transport *
+smb_trans_direct_transfort(struct ksmbd_transport *t)
+{
+       return container_of(t, struct smb_direct_transport, transport);
+}
+
 static inline void
 *smb_direct_recvmsg_payload(struct smb_direct_recvmsg *recvmsg)
 {
        int to_copy, to_read, data_read, offset;
        u32 data_length, remaining_data_length, data_offset;
        int rc;
-       struct smb_direct_transport *st = SMB_DIRECT_TRANS(t);
+       struct smb_direct_transport *st = smb_trans_direct_transfort(t);
 
 again:
        if (st->status != SMB_DIRECT_CS_CONNECTED) {
                             struct kvec *iov, int niovs, int buflen,
                             bool need_invalidate, unsigned int remote_key)
 {
-       struct smb_direct_transport *st = SMB_DIRECT_TRANS(t);
+       struct smb_direct_transport *st = smb_trans_direct_transfort(t);
        int remaining_data_length;
        int start, i, j;
        int max_iov_size = st->max_send_size -
                                 unsigned int buflen, u32 remote_key,
                                 u64 remote_offset, u32 remote_len)
 {
-       return smb_direct_rdma_xmit(SMB_DIRECT_TRANS(t), buf, buflen,
+       return smb_direct_rdma_xmit(smb_trans_direct_transfort(t), buf, buflen,
                                    remote_key, remote_offset,
                                    remote_len, false);
 }
                                unsigned int buflen, u32 remote_key,
                                u64 remote_offset, u32 remote_len)
 {
-       return smb_direct_rdma_xmit(SMB_DIRECT_TRANS(t), buf, buflen,
+       return smb_direct_rdma_xmit(smb_trans_direct_transfort(t), buf, buflen,
                                    remote_key, remote_offset,
                                    remote_len, true);
 }
 
 static void smb_direct_disconnect(struct ksmbd_transport *t)
 {
-       struct smb_direct_transport *st = SMB_DIRECT_TRANS(t);
+       struct smb_direct_transport *st = smb_trans_direct_transfort(t);
 
        ksmbd_debug(RDMA, "Disconnecting cm_id=%p\n", st->cm_id);
 
 
 static int smb_direct_prepare(struct ksmbd_transport *t)
 {
-       struct smb_direct_transport *st = SMB_DIRECT_TRANS(t);
+       struct smb_direct_transport *st = smb_trans_direct_transfort(t);
        int ret;
        struct ib_qp_cap qp_cap;