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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>
This commit is contained in:
Julian Wiedmann 2020-07-14 16:23:02 +02:00 committed by David S. Miller
parent 2ccd31f8c2
commit f7ec2d2a92
1 changed files with 2 additions and 4 deletions
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6
drivers/s390/net/qeth_core_main.c
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@ -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 <