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-rw-r--r--drivers/net/bonding/bond_3ad.c21
-rw-r--r--drivers/net/bonding/bond_3ad.h2
-rw-r--r--drivers/net/bonding/bond_procfs.c2
-rw-r--r--drivers/net/bonding/bond_sysfs.c9
4 files changed, 24 insertions, 10 deletions
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index fc58d118d84..390061d0969 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2360,14 +2360,15 @@ int bond_3ad_set_carrier(struct bonding *bond)
}
/**
- * bond_3ad_get_active_agg_info - get information of the active aggregator
+ * __bond_3ad_get_active_agg_info - get information of the active aggregator
* @bond: bonding struct to work on
* @ad_info: ad_info struct to fill with the bond's info
*
* Returns: 0 on success
* < 0 on error
*/
-int bond_3ad_get_active_agg_info(struct bonding *bond, struct ad_info *ad_info)
+int __bond_3ad_get_active_agg_info(struct bonding *bond,
+ struct ad_info *ad_info)
{
struct aggregator *aggregator = NULL;
struct port *port;
@@ -2391,6 +2392,18 @@ int bond_3ad_get_active_agg_info(struct bonding *bond, struct ad_info *ad_info)
return -1;
}
+/* Wrapper used to hold bond->lock so no slave manipulation can occur */
+int bond_3ad_get_active_agg_info(struct bonding *bond, struct ad_info *ad_info)
+{
+ int ret;
+
+ read_lock(&bond->lock);
+ ret = __bond_3ad_get_active_agg_info(bond, ad_info);
+ read_unlock(&bond->lock);
+
+ return ret;
+}
+
int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
{
struct slave *slave, *start_at;
@@ -2402,8 +2415,8 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
struct ad_info ad_info;
int res = 1;
- if (bond_3ad_get_active_agg_info(bond, &ad_info)) {
- pr_debug("%s: Error: bond_3ad_get_active_agg_info failed\n",
+ if (__bond_3ad_get_active_agg_info(bond, &ad_info)) {
+ pr_debug("%s: Error: __bond_3ad_get_active_agg_info failed\n",
dev->name);
goto out;
}
diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h
index 0cfaa4afdec..5d91ad0cc04 100644
--- a/drivers/net/bonding/bond_3ad.h
+++ b/drivers/net/bonding/bond_3ad.h
@@ -273,6 +273,8 @@ void bond_3ad_adapter_speed_changed(struct slave *slave);
void bond_3ad_adapter_duplex_changed(struct slave *slave);
void bond_3ad_handle_link_change(struct slave *slave, char link);
int bond_3ad_get_active_agg_info(struct bonding *bond, struct ad_info *ad_info);
+int __bond_3ad_get_active_agg_info(struct bonding *bond,
+ struct ad_info *ad_info);
int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev);
int bond_3ad_lacpdu_recv(const struct sk_buff *skb, struct bonding *bond,
struct slave *slave);
diff --git a/drivers/net/bonding/bond_procfs.c b/drivers/net/bonding/bond_procfs.c
index 94d06f1307b..4060d41f0ee 100644
--- a/drivers/net/bonding/bond_procfs.c
+++ b/drivers/net/bonding/bond_procfs.c
@@ -130,7 +130,7 @@ static void bond_info_show_master(struct seq_file *seq)
seq_printf(seq, "Aggregator selection policy (ad_select): %s\n",
ad_select_tbl[bond->params.ad_select].modename);
- if (bond_3ad_get_active_agg_info(bond, &ad_info)) {
+ if (__bond_3ad_get_active_agg_info(bond, &ad_info)) {
seq_printf(seq, "bond %s has no active aggregator\n",
bond->dev->name);
} else {
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 77ea237de90..d7434e0a610 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -1319,7 +1319,6 @@ static ssize_t bonding_show_mii_status(struct device *d,
}
static DEVICE_ATTR(mii_status, S_IRUGO, bonding_show_mii_status, NULL);
-
/*
* Show current 802.3ad aggregator ID.
*/
@@ -1333,7 +1332,7 @@ static ssize_t bonding_show_ad_aggregator(struct device *d,
if (bond->params.mode == BOND_MODE_8023AD) {
struct ad_info ad_info;
count = sprintf(buf, "%d\n",
- (bond_3ad_get_active_agg_info(bond, &ad_info))
+ bond_3ad_get_active_agg_info(bond, &ad_info)
? 0 : ad_info.aggregator_id);
}
@@ -1355,7 +1354,7 @@ static ssize_t bonding_show_ad_num_ports(struct device *d,
if (bond->params.mode == BOND_MODE_8023AD) {
struct ad_info ad_info;
count = sprintf(buf, "%d\n",
- (bond_3ad_get_active_agg_info(bond, &ad_info))
+ bond_3ad_get_active_agg_info(bond, &ad_info)
? 0 : ad_info.ports);
}
@@ -1377,7 +1376,7 @@ static ssize_t bonding_show_ad_actor_key(struct device *d,
if (bond->params.mode == BOND_MODE_8023AD) {
struct ad_info ad_info;
count = sprintf(buf, "%d\n",
- (bond_3ad_get_active_agg_info(bond, &ad_info))
+ bond_3ad_get_active_agg_info(bond, &ad_info)
? 0 : ad_info.actor_key);
}
@@ -1399,7 +1398,7 @@ static ssize_t bonding_show_ad_partner_key(struct device *d,
if (bond->params.mode == BOND_MODE_8023AD) {
struct ad_info ad_info;
count = sprintf(buf, "%d\n",
- (bond_3ad_get_active_agg_info(bond, &ad_info))
+ bond_3ad_get_active_agg_info(bond, &ad_info)
? 0 : ad_info.partner_key);
}