I saw that unregister_netdevice will also free the netdev by running
dev_put. This may clash run debugfs exist, because it use netdevice
private data room.
Signed-off-by: Alexander Aring <aar@xxxxxxxxxxxxxx>
---
net/6lowpan/core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/6lowpan/core.c b/net/6lowpan/core.c
index 5945f7e..00ffab3 100644
--- a/net/6lowpan/core.c
+++ b/net/6lowpan/core.c
@@ -62,8 +62,10 @@ EXPORT_SYMBOL(lowpan_register_netdev);
void lowpan_unregister_netdevice(struct net_device *dev)
{
+ dev_hold(dev);
unregister_netdevice(dev);
lowpan_dev_debugfs_exit(dev);
+ dev_put(dev);
}
EXPORT_SYMBOL(lowpan_unregister_netdevice);
--
2.9.0
--
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