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| author |   Marek Lindner <lindner_marek@yahoo.de> | 2011-04-20 15:40:58 +0200 |
|---|---|---|
| committer |   Sven Eckelmann <sven@narfation.org> | 2011-05-01 22:49:03 +0200 |
| commit | 32ae9b221e788413ce68feaae2ca39e406211a0a (patch) | |
| tree | d827f989976a28fea5cdcb349c308baa98182c35 /net/batman-adv/types.h | |
| parent | batman-adv: fix gw_node_update() and gw_election() (diff) | |
| download | linux-dev-32ae9b221e788413ce68feaae2ca39e406211a0a.tar.xz linux-dev-32ae9b221e788413ce68feaae2ca39e406211a0a.zip | |
batman-adv: Make bat_priv->primary_if an rcu protected pointer
The rcu protected macros rcu_dereference() and rcu_assign_pointer()
for the bat_priv->primary_if need to be used, as well as spin/rcu locking.
Otherwise we might end up using a primary_if pointer pointing to already
freed memory.
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Diffstat (limited to '')
| -rw-r--r-- | net/batman-adv/types.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index 75123b1ae0de..947bafc6431a 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -149,7 +149,6 @@ struct bat_priv { struct hlist_head softif_neigh_list; struct softif_neigh __rcu *softif_neigh; struct debug_log *debug_log; - struct hard_iface *primary_if; struct kobject *mesh_obj; struct dentry *debug_dir; struct hlist_head forw_bat_list; @@ -174,6 +173,7 @@ struct bat_priv { struct delayed_work orig_work; struct delayed_work vis_work; struct gw_node __rcu *curr_gw; /* rcu protected pointer */ + struct hard_iface __rcu *primary_if; /* rcu protected pointer */ struct vis_info *my_vis_info; }; |