This is a note to let you know that I've just added the patch titled
x25: decrement netdev reference counts on unload
to the 2.6.36-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
x25-decrement-netdev-reference-counts-on-unload.patch
and it can be found in the queue-2.6.36 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 388812334ba75bf32b76f6a364a34bc37f7d50c4 Mon Sep 17 00:00:00 2001
From: Apollon Oikonomopoulos <[email protected]>
Date: Tue, 7 Dec 2010 09:43:30 +0000
Subject: x25: decrement netdev reference counts on unload
From: Apollon Oikonomopoulos <[email protected]>
[ Upstream commit 33ce2b3d81dca76f589641b7a675c28f0f6375b1 ]
x25 does not decrement the network device reference counts on module unload.
Thus unregistering any pre-existing interface after unloading the x25 module
hangs and results in
unregister_netdevice: waiting for tap0 to become free. Usage count = 1
This patch decrements the reference counts of all interfaces in x25_link_free,
the way it is already done in x25_link_device_down for NETDEV_DOWN events.
Signed-off-by: Apollon Oikonomopoulos <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/x25/x25_link.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/x25/x25_link.c
+++ b/net/x25/x25_link.c
@@ -394,6 +394,7 @@ void __exit x25_link_free(void)
list_for_each_safe(entry, tmp, &x25_neigh_list) {
nb = list_entry(entry, struct x25_neigh, node);
__x25_remove_neigh(nb);
+ dev_put(nb->dev);
}
write_unlock_bh(&x25_neigh_list_lock);
}
Patches currently in stable-queue which might be from [email protected] are
queue-2.6.36/x25-decrement-netdev-reference-counts-on-unload.patch
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