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Commit 3c787475 authored by Sebastian Ott's avatar Sebastian Ott Committed by David S. Miller
Browse files

lcs: ensure proper ccw setup 



Make sure that all ccws used for writing are initialized with
zeros - especially since the last ccw contains a TIC for which
the unused fields have to be zeros.

Signed-off-by: default avatarSebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: default avatarFrank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 725b9c04

drivers/s390/net/lcs.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -282,7 +282,7 @@ lcs_setup_write_ccws(struct lcs_card *card) 




	LCS_DBF_TEXT(3, setup, "iwritccw");

	LCS_DBF_TEXT(3, setup, "iwritccw");

	/* Setup write ccws. */

	/* Setup write ccws. */

	memset(card->write.ccws, 0, sizeof(struct ccw1) * LCS_NUM_BUFFS + 1);

	memset(card->write.ccws, 0, sizeof(struct ccw1) * (LCS_NUM_BUFFS + 1));

	for (cnt = 0; cnt < LCS_NUM_BUFFS; cnt++) {

	for (cnt = 0; cnt < LCS_NUM_BUFFS; cnt++) {

		card->write.ccws[cnt].cmd_code = LCS_CCW_WRITE;

		card->write.ccws[cnt].cmd_code = LCS_CCW_WRITE;

		card->write.ccws[cnt].count = 0;

		card->write.ccws[cnt].count = 0;