From: Pavel Skripkin <paskripkin@xxxxxxxxx>
commit 0336f8ffece62f882ab3012820965a786a983f70 upstream.
priv is netdev private data and it cannot be
used after free_netdev() call. Using priv after free_netdev()
can cause UAF bug. Fix it by moving free_netdev() at the end of the
function.
Fixes: 1e0a8b13d355 ("tlan: cancel work at remove path")
Signed-off-by: Pavel Skripkin <paskripkin@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/ti/tlan.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/net/ethernet/ti/tlan.c
+++ b/drivers/net/ethernet/ti/tlan.c
@@ -313,9 +313,8 @@ static void tlan_remove_one(struct pci_d
pci_release_regions(pdev);
#endif
- free_netdev(dev);
-
cancel_work_sync(&priv->tlan_tqueue);
+ free_netdev(dev);
}
static void tlan_start(struct net_device *dev)
