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Commit 2d5d4154 authored by Ajit Khaparde's avatar Ajit Khaparde Committed by David S. Miller
Browse files

be2net: Fix a potential crash during shutdown. 



adapter could remain uninitialized if probe fails for some reason.
A null pointer access could cause a crash if be_shutdown
is called after that.

Signed-off-by: default avatarAjit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1e581486

drivers/net/benet/be_main.c

+5 −3
Original line number Diff line number Diff line
@@ -3141,12 +3141,14 @@ static int be_resume(struct pci_dev *pdev) 
static void be_shutdown(struct pci_dev *pdev)

{

	struct be_adapter *adapter = pci_get_drvdata(pdev);

	struct net_device *netdev =  adapter->netdev;



	if (netif_running(netdev))

	if (!adapter)

		return;



	if (netif_running(adapter->netdev))

		cancel_delayed_work_sync(&adapter->work);



	netif_device_detach(netdev);

	netif_device_detach(adapter->netdev);



	be_cmd_reset_function(adapter);