vlan: rename __vlan_find_dev_deep() to __vlan_find_dev_deep_rcu()

The __vlan_find_dev_deep should always called in RCU, according
David's suggestion, rename to __vlan_find_dev_deep_rcu looks more
reasonable.

Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c
index c0a9dd5..b0cbb2b 100644 (file)
--- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c
@@ -185,7 +185,7 @@ static struct net_device *get_iff_from_mac(struct adapter *adapter,
                if (ether_addr_equal(dev->dev_addr, mac)) {
                        rcu_read_lock();
                        if (vlan && vlan != VLAN_VID_MASK) {
-                               dev = __vlan_find_dev_deep(dev, htons(ETH_P_8021Q), vlan);
+                               dev = __vlan_find_dev_deep_rcu(dev, htons(ETH_P_8021Q), vlan);
                        } else if (netif_is_bond_slave(dev)) {
                                struct net_device *upper_dev;
 

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 8efeed3..0f1e886 100644 (file)
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -4068,7 +4068,7 @@ static int update_root_dev_clip(struct net_device *dev)
 
        /* Parse all bond and vlan devices layered on top of the physical dev */
        for (i = 0; i < VLAN_N_VID; i++) {
-               root_dev = __vlan_find_dev_deep(dev, htons(ETH_P_8021Q), i);
+               root_dev = __vlan_find_dev_deep_rcu(dev, htons(ETH_P_8021Q), i);
                if (!root_dev)
                        continue;
 

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index d2e18b5..8a2aeb8 100644 (file)
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -4146,7 +4146,7 @@ void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
 
        rcu_read_lock();
        for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
-               dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid);
+               dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid);
                if (!dev)
                        continue;
                qlcnic_config_indev_addr(adapter, dev, event);

diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index 2e025dd..0ab79fc 100644 (file)
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -223,8 +223,8 @@ static void do_neigh_solicit(struct usbnet *dev, u8 *buf, u16 tci)
        /* need to send the NA on the VLAN dev, if any */
        rcu_read_lock();
        if (tci) {
-               netdev = __vlan_find_dev_deep(dev->net, htons(ETH_P_8021Q),
-                                             tci);
+               netdev = __vlan_find_dev_deep_rcu(dev->net, htons(ETH_P_8021Q),
+                                                 tci);
                if (!netdev) {
                        rcu_read_unlock();
                        return;

diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index c8d91d7..bc2499a 100644 (file)
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1659,7 +1659,7 @@ static void qeth_l3_add_vlan_mc(struct qeth_card *card)
        for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
                struct net_device *netdev;
 
-               netdev = __vlan_find_dev_deep(card->dev, htons(ETH_P_8021Q),
+               netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q),
                                              vid);
                if (netdev == NULL ||
                    !(netdev->flags & IFF_UP))
@@ -1721,7 +1721,7 @@ static void qeth_l3_add_vlan_mc6(struct qeth_card *card)
        for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
                struct net_device *netdev;
 
-               netdev = __vlan_find_dev_deep(card->dev, htons(ETH_P_8021Q),
+               netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q),
                                              vid);
                if (netdev == NULL ||
                    !(netdev->flags & IFF_UP))
@@ -1766,7 +1766,7 @@ static void qeth_l3_free_vlan_addresses4(struct qeth_card *card,
 
        QETH_CARD_TEXT(card, 4, "frvaddr4");
 
-       netdev = __vlan_find_dev_deep(card->dev, htons(ETH_P_8021Q), vid);
+       netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), vid);
        if (!netdev)
                return;
        in_dev = in_dev_get(netdev);
@@ -1796,7 +1796,7 @@ static void qeth_l3_free_vlan_addresses6(struct qeth_card *card,
 
        QETH_CARD_TEXT(card, 4, "frvaddr6");
 
-       netdev = __vlan_find_dev_deep(card->dev, htons(ETH_P_8021Q), vid);
+       netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), vid);
        if (!netdev)
                return;
        in6_dev = in6_dev_get(netdev);
@@ -2089,7 +2089,7 @@ static int qeth_l3_verify_vlan_dev(struct net_device *dev,
                struct net_device *netdev;
 
                rcu_read_lock();
-               netdev = __vlan_find_dev_deep(card->dev, htons(ETH_P_8021Q),
+               netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q),
                                              vid);
                rcu_read_unlock();
                if (netdev == dev) {

diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 13bbbde..8c0fb7f 100644 (file)
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -106,7 +106,7 @@ struct vlan_pcpu_stats {
 
 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
 
-extern struct net_device *__vlan_find_dev_deep(struct net_device *real_dev,
+extern struct net_device *__vlan_find_dev_deep_rcu(struct net_device *real_dev,
                                               __be16 vlan_proto, u16 vlan_id);
 extern struct net_device *vlan_dev_real_dev(const struct net_device *dev);
 extern u16 vlan_dev_vlan_id(const struct net_device *dev);
@@ -199,7 +199,7 @@ extern void vlan_vids_del_by_dev(struct net_device *dev,
 extern bool vlan_uses_dev(const struct net_device *dev);
 #else
 static inline struct net_device *
-__vlan_find_dev_deep(struct net_device *real_dev,
+__vlan_find_dev_deep_rcu(struct net_device *real_dev,
                     __be16 vlan_proto, u16 vlan_id)
 {
        return NULL;

diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 3c32bd2..9012b1c 100644 (file)
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -63,7 +63,7 @@ bool vlan_do_receive(struct sk_buff **skbp)
 }
 
 /* Must be invoked with rcu_read_lock. */
-struct net_device *__vlan_find_dev_deep(struct net_device *dev,
+struct net_device *__vlan_find_dev_deep_rcu(struct net_device *dev,
                                        __be16 vlan_proto, u16 vlan_id)
 {
        struct vlan_info *vlan_info = rcu_dereference(dev->vlan_info);
@@ -81,13 +81,13 @@ struct net_device *__vlan_find_dev_deep(struct net_device *dev,
 
                upper_dev = netdev_master_upper_dev_get_rcu(dev);
                if (upper_dev)
-                       return __vlan_find_dev_deep(upper_dev,
+                       return __vlan_find_dev_deep_rcu(upper_dev,
                                                    vlan_proto, vlan_id);
        }
 
        return NULL;
 }
-EXPORT_SYMBOL(__vlan_find_dev_deep);
+EXPORT_SYMBOL(__vlan_find_dev_deep_rcu);
 
 struct net_device *vlan_dev_real_dev(const struct net_device *dev)
 {

diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 2acf7fa..a615264 100644 (file)
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -535,7 +535,7 @@ static struct net_device *brnf_get_logical_dev(struct sk_buff *skb, const struct
        if (brnf_pass_vlan_indev == 0 || !vlan_tx_tag_present(skb))
                return br;
 
-       vlan = __vlan_find_dev_deep(br, skb->vlan_proto,
+       vlan = __vlan_find_dev_deep_rcu(br, skb->vlan_proto,
                                    vlan_tx_tag_get(skb) & VLAN_VID_MASK);
 
        return vlan ? vlan : br;