netdev - [PATCH net-next 1/3] s390/qeth: remove fake

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Date:   Fri, 27 Mar 2020 11:19:32 +0100
From:   Julian Wiedmann <jwi@...ux.ibm.com>
To:     David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        linux-s390 <linux-s390@...r.kernel.org>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Ursula Braun <ubraun@...ux.ibm.com>,
        Julian Wiedmann <jwi@...ux.ibm.com>
Subject: [PATCH net-next 1/3] s390/qeth: remove fake_broadcast attribute

Ever since commit 4a71df50047f ("qeth: new qeth device driver") introduced
this attribute, it can be read & written but has no actual effect.

Signed-off-by: Julian Wiedmann <jwi@...ux.ibm.com>
---
 drivers/s390/net/qeth_core.h   |  1 -
 drivers/s390/net/qeth_l3_sys.c | 35 ----------------------------------
 2 files changed, 36 deletions(-)

diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 5f85617bdce3..acda230323d5 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -710,7 +710,6 @@ struct qeth_card_options {
 	struct qeth_ipa_caps adp; /* Adapter parameters */
 	struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */
 	struct qeth_vnicc_info vnicc; /* VNICC options */
-	int fake_broadcast;
 	enum qeth_discipline_id layer;
 	enum qeth_ipa_isolation_modes isolation;
 	enum qeth_ipa_isolation_modes prev_isolation;
diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c
index a3d1c3bdfadb..dd0b39082534 100644
--- a/drivers/s390/net/qeth_l3_sys.c
+++ b/drivers/s390/net/qeth_l3_sys.c
@@ -133,40 +133,6 @@ static ssize_t qeth_l3_dev_route6_store(struct device *dev,
 static DEVICE_ATTR(route6, 0644, qeth_l3_dev_route6_show,
 			qeth_l3_dev_route6_store);
 
-static ssize_t qeth_l3_dev_fake_broadcast_show(struct device *dev,
-			struct device_attribute *attr, char *buf)
-{
-	struct qeth_card *card = dev_get_drvdata(dev);
-
-	return sprintf(buf, "%i\n", card->options.fake_broadcast? 1:0);
-}
-
-static ssize_t qeth_l3_dev_fake_broadcast_store(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
-{
-	struct qeth_card *card = dev_get_drvdata(dev);
-	char *tmp;
-	int i, rc = 0;
-
-	mutex_lock(&card->conf_mutex);
-	if (card->state != CARD_STATE_DOWN) {
-		rc = -EPERM;
-		goto out;
-	}
-
-	i = simple_strtoul(buf, &tmp, 16);
-	if ((i == 0) || (i == 1))
-		card->options.fake_broadcast = i;
-	else
-		rc = -EINVAL;
-out:
-	mutex_unlock(&card->conf_mutex);
-	return rc ? rc : count;
-}
-
-static DEVICE_ATTR(fake_broadcast, 0644, qeth_l3_dev_fake_broadcast_show,
-		   qeth_l3_dev_fake_broadcast_store);
-
 static ssize_t qeth_l3_dev_sniffer_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
@@ -305,7 +271,6 @@ static DEVICE_ATTR(hsuid, 0644, qeth_l3_dev_hsuid_show,
 static struct attribute *qeth_l3_device_attrs[] = {
 	&dev_attr_route4.attr,
 	&dev_attr_route6.attr,
-	&dev_attr_fake_broadcast.attr,
 	&dev_attr_sniffer.attr,
 	&dev_attr_hsuid.attr,
 	NULL,
-- 
2.17.1