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s390/qeth: dynamically allocate diag cmds

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Add a new wrapper that allocates DIAG cmds of the right size, and fills
in the common fields.

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
2019-06-27 17:01:25 +02:00
committed by David S. Miller
parent b9150461e5
commit 5cfbe10a00
4 changed files with 30 additions and 11 deletions
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4
drivers/s390/net/qeth_l3_main.c
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@@ -1107,12 +1107,10 @@ qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd)
QETH_CARD_TEXT(card, 2, "diagtrac");
iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0);
iob = qeth_get_diag_cmd(card, QETH_DIAGS_CMD_TRACE, 0);
if (!iob)
return -ENOMEM;
cmd = __ipa_cmd(iob);
cmd->data.diagass.subcmd_len = 16;
cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRACE;
cmd->data.diagass.type = QETH_DIAGS_TYPE_HIPERSOCKET;
cmd->data.diagass.action = diags_cmd;
return qeth_send_ipa_cmd(card, iob, qeth_diags_trace_cb, NULL);