[patch 04/39] [PATCH] [BRIDGE]: netfilter missing symbol has_bridge_parent

[Chris Wright]

-stable review patch.  If anyone has any objections, please let us know.
------------------

5dce971acf2ae20c80d5e9d1f6bbf17376870911 in Linus' tree,
otherwise known as bridge-netfilter-races-on-device-removal.patch in
2.5.15.4 removed has_bridge_parent, however this symbol is still
called with NETFILTER_DEBUG is enabled.

This patch uses the already seeded realoutdev value to detect if a parent
exists, and if so, the value of the parent.

Signed-Off-By: Horms <horms@xxxxxxxxxxxx>
Acked-by: Stephen Hemminger <shemminger@xxxxxxxx>
Signed-off-by: Chris Wright <chrisw@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---

 net/bridge/br_netfilter.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

--- linux-2.6.15.4.orig/net/bridge/br_netfilter.c
+++ linux-2.6.15.4/net/bridge/br_netfilter.c
@@ -794,8 +794,8 @@ static unsigned int br_nf_post_routing(u
 print_error:
 	if (skb->dev != NULL) {
 		printk("[%s]", skb->dev->name);
-		if (has_bridge_parent(skb->dev))
-			printk("[%s]", bridge_parent(skb->dev)->name);
+		if (realoutdev)
+			printk("[%s]", realoutdev->name);
 	}
 	printk(" head:%p, raw:%p, data:%p\n", skb->head, skb->mac.raw,
 					      skb->data);

--
-
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