s390/qeth: clean up a magic number in the OAT callback

Use the correct struct member instead of hardcoding its offset.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 31fa9ff..c5ff7ed 100644 (file)
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -4839,7 +4839,6 @@ static int qeth_setadpparms_query_oat_cb(struct qeth_card *card,
 {
        struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data;
        struct qeth_qoat_priv *priv;
-       char *resdata;
        int resdatalen;
 
        QETH_CARD_TEXT(card, 3, "qoatcb");
@@ -4848,13 +4847,12 @@ static int qeth_setadpparms_query_oat_cb(struct qeth_card *card,
 
        priv = (struct qeth_qoat_priv *)reply->param;
        resdatalen = cmd->data.setadapterparms.hdr.cmdlength;
-       resdata = (char *)data + 28;
 
        if (resdatalen > (priv->buffer_len - priv->response_len))
                return -ENOSPC;
 
-       memcpy((priv->buffer + priv->response_len), resdata,
-               resdatalen);
+       memcpy(priv->buffer + priv->response_len,
+              &cmd->data.setadapterparms.hdr, resdatalen);
        priv->response_len += resdatalen;
 
        if (cmd->data.setadapterparms.hdr.seq_no <