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authorJohn Fastabend <john.r.fastabend@intel.com>2010-05-12 21:31:11 +0000
committerDavid S. Miller <davem@davemloft.net>2010-06-02 03:35:18 -0700
commit2df4a0fa1540c460ec69788ab2a901cc72a75644 (patch)
treecf9fb32c112a2b27eaeccd8a825c15505b32e2d9 /net
parent194dbcc8a1a97cbac9a619a563e5f6b7f7d5a485 (diff)
downloadop-kernel-dev-2df4a0fa1540c460ec69788ab2a901cc72a75644.zip
op-kernel-dev-2df4a0fa1540c460ec69788ab2a901cc72a75644.tar.gz
net: fix conflict between null_or_orig and null_or_bond
If a skb is received on an inactive bond that does not meet the special cases checked for by skb_bond_should_drop it should only be delivered to exact matches as the comment in netif_receive_skb() says. However because null_or_bond could also be null this is not always true. This patch renames null_or_bond to orig_or_bond and initializes it to orig_dev. This keeps the intent of null_or_bond to pass frames received on VLAN interfaces stacked on bonding interfaces without invalidating the statement for null_or_orig. Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/dev.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 1845b08..d03470f 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2795,7 +2795,7 @@ static int __netif_receive_skb(struct sk_buff *skb)
struct net_device *orig_dev;
struct net_device *master;
struct net_device *null_or_orig;
- struct net_device *null_or_bond;
+ struct net_device *orig_or_bond;
int ret = NET_RX_DROP;
__be16 type;
@@ -2868,10 +2868,10 @@ ncls:
* device that may have registered for a specific ptype. The
* handler may have to adjust skb->dev and orig_dev.
*/
- null_or_bond = NULL;
+ orig_or_bond = orig_dev;
if ((skb->dev->priv_flags & IFF_802_1Q_VLAN) &&
(vlan_dev_real_dev(skb->dev)->priv_flags & IFF_BONDING)) {
- null_or_bond = vlan_dev_real_dev(skb->dev);
+ orig_or_bond = vlan_dev_real_dev(skb->dev);
}
type = skb->protocol;
@@ -2879,7 +2879,7 @@ ncls:
&ptype_base[ntohs(type) & PTYPE_HASH_MASK], list) {
if (ptype->type == type && (ptype->dev == null_or_orig ||
ptype->dev == skb->dev || ptype->dev == orig_dev ||
- ptype->dev == null_or_bond)) {
+ ptype->dev == orig_or_bond)) {
if (pt_prev)
ret = deliver_skb(skb, pt_prev, orig_dev);
pt_prev = ptype;
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