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-rw-r--r--net/bridge/br_if.c7
-rw-r--r--net/bridge/br_netfilter.c4
2 files changed, 8 insertions, 3 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 142ebac1417..4a9f5273265 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -377,12 +377,16 @@ int br_add_if(struct net_bridge *br, struct net_device *dev)
struct net_bridge_port *p;
int err = 0;
- if (dev->flags & IFF_LOOPBACK || dev->type != ARPHRD_ETHER)
+ /* Don't allow bridging non-ethernet like devices */
+ if ((dev->flags & IFF_LOOPBACK) ||
+ dev->type != ARPHRD_ETHER || dev->addr_len != ETH_ALEN)
return -EINVAL;
+ /* No bridging of bridges */
if (dev->netdev_ops->ndo_start_xmit == br_dev_xmit)
return -ELOOP;
+ /* Device is already being bridged */
if (dev->br_port != NULL)
return -EBUSY;
@@ -432,6 +436,7 @@ err2:
br_fdb_delete_by_port(br, p, 1);
err1:
kobject_put(&p->kobj);
+ p = NULL; /* kobject_put frees */
err0:
dev_set_promiscuity(dev, -1);
put_back:
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 907a82e9023..a16a2342f6b 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -965,12 +965,12 @@ static struct nf_hook_ops br_nf_ops[] __read_mostly = {
#ifdef CONFIG_SYSCTL
static
-int brnf_sysctl_call_tables(ctl_table * ctl, int write, struct file *filp,
+int brnf_sysctl_call_tables(ctl_table * ctl, int write,
void __user * buffer, size_t * lenp, loff_t * ppos)
{
int ret;
- ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos);
+ ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
if (write && *(int *)(ctl->data))
*(int *)(ctl->data) = 1;