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path: root/net/bridge/br_stp_bpdu.c
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Diffstat (limited to 'net/bridge/br_stp_bpdu.c')
-rw-r--r--net/bridge/br_stp_bpdu.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c
index b9fb0dc..60112bc 100644
--- a/net/bridge/br_stp_bpdu.c
+++ b/net/bridge/br_stp_bpdu.c
@@ -33,9 +33,6 @@ static void br_send_bpdu(struct net_bridge_port *p,
{
struct sk_buff *skb;
- if (!p->br->stp_enabled)
- return;
-
skb = dev_alloc_skb(length+LLC_RESERVE);
if (!skb)
return;
@@ -75,6 +72,9 @@ void br_send_config_bpdu(struct net_bridge_port *p, struct br_config_bpdu *bpdu)
{
unsigned char buf[35];
+ if (p->br->stp_enabled != BR_KERNEL_STP)
+ return;
+
buf[0] = 0;
buf[1] = 0;
buf[2] = 0;
@@ -117,6 +117,9 @@ void br_send_tcn_bpdu(struct net_bridge_port *p)
{
unsigned char buf[4];
+ if (p->br->stp_enabled != BR_KERNEL_STP)
+ return;
+
buf[0] = 0;
buf[1] = 0;
buf[2] = 0;
@@ -157,9 +160,13 @@ int br_stp_rcv(struct sk_buff *skb, struct net_device *dev,
br = p->br;
spin_lock(&br->lock);
- if (p->state == BR_STATE_DISABLED
- || !br->stp_enabled
- || !(br->dev->flags & IFF_UP))
+ if (br->stp_enabled != BR_KERNEL_STP)
+ goto out;
+
+ if (!(br->dev->flags & IFF_UP))
+ goto out;
+
+ if (p->state == BR_STATE_DISABLED)
goto out;
if (compare_ether_addr(dest, br->group_addr) != 0)
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