[PATCH net 5/6] s390/qeth: vnicc Fix init to default

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From: Alexandra Winter <wintera@xxxxxxxxxxxxx>

During vnicc_init wanted_char should be compared to cur_char and not
to QETH_VNICC_DEFAULT. Without this patch there is no way to enforce
the default values as desired values.

Note, that it is expected, that a card comes online with default values.
This patch was tested with private card firmware.

Fixes: caa1f0b10d18 ("s390/qeth: add VNICC enable/disable support")
Signed-off-by: Alexandra Winter <wintera@xxxxxxxxxxxxx>
Signed-off-by: Julian Wiedmann <jwi@xxxxxxxxxxxxx>
---
 drivers/s390/net/qeth_l2_main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 8024a2112a87..47d37e75dda6 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -2039,7 +2039,9 @@ static void qeth_l2_vnicc_init(struct qeth_card *card)
 	/* enforce assumed default values and recover settings, if changed  */
 	error |= qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING,
 					       timeout);
-	chars_tmp = card->options.vnicc.wanted_chars ^ QETH_VNICC_DEFAULT;
+	/* Change chars, if necessary  */
+	chars_tmp = card->options.vnicc.wanted_chars ^
+		    card->options.vnicc.cur_chars;
 	chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE;
 	for_each_set_bit(i, &chars_tmp, chars_len) {
 		vnicc = BIT(i);
-- 
2.17.1




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