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authorEugene Crosser <Eugene.Crosser@ru.ibm.com>2015-05-18 14:27:54 +0200
committerDavid S. Miller <davem@davemloft.net>2015-05-18 12:14:17 -0400
commitd3c29a5c3fb81b9e2eef65c9edd3b43e7f7510f2 (patch)
treedfe4cc0a4d02cb91caaffc21e0e45800bb8fb2d0 /drivers/s390
parentc88394e7ee5ecf425754f78d38b4968eb60ffba5 (diff)
downloadlinux-d3c29a5c3fb81b9e2eef65c9edd3b43e7f7510f2.tar.gz
qeth: remove locks from sysfs _show
Locking is probably unnecessary in this case, and the rest of the
qeth sysfs code does not use locks in the *_show() functions.
Remove locks from the layer2 *_show() functions in which they where
accidentally introduced.

Signed-off-by: Eugene Crosser <Eugene.Crosser@ru.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/net/qeth_l2_sys.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/s390/net/qeth_l2_sys.c b/drivers/s390/net/qeth_l2_sys.c
index 59e3aa538b4d..6504d48bdd97 100644
--- a/drivers/s390/net/qeth_l2_sys.c
+++ b/drivers/s390/net/qeth_l2_sys.c
@@ -23,8 +23,6 @@ static ssize_t qeth_bridge_port_role_state_show(struct device *dev,
 	if (!card)
 		return -EINVAL;
 
-	mutex_lock(&card->conf_mutex);
-
 	if (qeth_card_hw_is_reachable(card) &&
 					card->options.sbp.supported_funcs)
 		rc = qeth_bridgeport_query_ports(card,
@@ -59,8 +57,6 @@ static ssize_t qeth_bridge_port_role_state_show(struct device *dev,
 			rc = sprintf(buf, "%s\n", word);
 	}
 
-	mutex_unlock(&card->conf_mutex);
-
 	return rc;
 }
 
@@ -123,12 +119,8 @@ static ssize_t qeth_bridgeport_hostnotification_show(struct device *dev,
 	if (!card)
 		return -EINVAL;
 
-	mutex_lock(&card->conf_mutex);
-
 	enabled = card->options.sbp.hostnotification;
 
-	mutex_unlock(&card->conf_mutex);
-
 	return sprintf(buf, "%d\n", enabled);
 }