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authorDavid S. Miller <davem@davemloft.net>2008-05-12 03:29:11 -0700
committerDavid S. Miller <davem@davemloft.net>2008-05-12 03:29:11 -0700
commit4951704b4e23d71b99ac933d8e6993bc6225ac13 (patch)
treeafcc69d6ec071f5d0bb19517635e9b3cf8f668ba /include
parentc4492586a618d18e8a5343a04bad0ec606064846 (diff)
syncppp: Fix crashes.
The syncppp layer wants a mid-level netdev private pointer. It was using netdev->priv but that only worked by accident, and thus this scheme was broken when the device private allocation strategy changed. Add a proper mid-layer private pointer for uses like this, update syncppp and all users, and remove the HDLC_PPP broken tag from drivers/net/wan/Kconfig Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/netdevice.h3
-rw-r--r--include/net/syncppp.h2
2 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7c1d4466583..746901774d4 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -715,6 +715,9 @@ struct net_device
struct net *nd_net;
#endif
+ /* mid-layer private */
+ void *ml_priv;
+
/* bridge stuff */
struct net_bridge_port *br_port;
/* macvlan */
diff --git a/include/net/syncppp.h b/include/net/syncppp.h
index 877efa43470..e43f4070d89 100644
--- a/include/net/syncppp.h
+++ b/include/net/syncppp.h
@@ -59,7 +59,7 @@ struct ppp_device
static inline struct sppp *sppp_of(struct net_device *dev)
{
- struct ppp_device **ppp = dev->priv;
+ struct ppp_device **ppp = dev->ml_priv;
BUG_ON((*ppp)->dev != dev);
return &(*ppp)->sppp;
}