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netdev_priv(ndev); > + struct mctp_pcc_mailbox *outbox; > + int mctp_pcc_mtu; > + > + outbox = &mctp_pcc_ndev->outbox; > + outbox->chan = pcc_mbox_request_channel(&outbox->client, outbox->index); > + mctp_pcc_mtu = outbox->chan->shmem_size - sizeof(struct pcc_header); de-reference outbox->chan->shmem_size before checking IS_ERR(outbox->chan) > + if (IS_ERR(outbox->chan)) > + return PTR_ERR(outbox->chan); > + > + pcc_mbox_free_channel(mctp_pcc_ndev->outbox.chan); > + > + mctp_pcc_ndev = netdev_priv(ndev); > + ndev->mtu = MCTP_MIN_MTU; > + ndev->max_mtu = mctp_pcc_mtu; > + ndev->min_mtu = MCTP_MIN_MTU; > + > + return 0; > +} Thanks, Alok