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Commit 9d2afba0 authored by Eugenia Emantayev's avatar Eugenia Emantayev Committed by David S. Miller
Browse files

net/mlx4_en: Fix panic during reboot 



Fix a kernel panic that occurs as a result of an asynchronous event
handled in roce_gid_mgmt:
mlx4_en_get_drvinfo is called and accesses freed resources.

This happens in a shutdown flow only, since pci device is destroyed
while netdevice is still alive.

Fixes: c27a02cd ("mlx4_en: Add driver for Mellanox ConnectX 10GbE NIC")
Signed-off-by: default avatarEugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: default avatarTariq Toukan <tariqt@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8d59de8f

drivers/net/ethernet/mellanox/mlx4/en_netdev.c

+1 −0
Original line number Diff line number Diff line
@@ -2201,6 +2201,7 @@ void mlx4_en_destroy_netdev(struct net_device *dev) 


	if (!shutdown)

		free_netdev(dev);

	dev->ethtool_ops = NULL;

}



static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu)