IB/mlx4: Move rtnl locking to the right place
On the one hand, the invocation of netdev_master_upper_dev_get() within mlx4_ib_scan_netdevs() must be done with rtnl lock held. On the other hand, it's wrong to call rtnl_lock() from within this function since it's also called by our netdev notifier callback. Therefore move the locking to mlx4_ib_add() so that both cases are covered. Signed-off-by: Moni Shoua <monis@mellanox.co.il> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
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