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Commit 51581fd0 authored by Julian Wiedmann's avatar Julian Wiedmann Committed by David S. Miller
Browse files

s390/qeth: limit trace to valid data of command request 



'len' specifies how much data we send to the HW, don't dump beyond this
boundary.
As of today this is no big concern - commands are built in full, zeroed
pages.

Signed-off-by: default avatarJulian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4386e34f

drivers/s390/net/qeth_core_main.c

+1 −1
Original line number Diff line number Diff line
@@ -1991,7 +1991,7 @@ void qeth_prepare_control_data(struct qeth_card *card, int len, 
	card->seqno.pdu_hdr++;

	memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data),

	       &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH);

	QETH_DBF_HEX(CTRL, 2, iob->data, QETH_DBF_CTRL_LEN);

	QETH_DBF_HEX(CTRL, 2, iob->data, min(len, QETH_DBF_CTRL_LEN));

}

EXPORT_SYMBOL_GPL(qeth_prepare_control_data);