net: Updates to netif_index_is_vrf

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As Eric noted netif_index_is_vrf is not called with rcu_read_lock held,
so wrap the dev_get_by_index_rcu in rcu_read_lock and unlock.

If VRF is not enabled or oif is 0 skip the device lookup. In both cases
index cannot be the VRF master.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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David Ahern 2015-08-16 07:49:20 -06:00 • committed by David S. Miller

parent 9cd3778cd7

commit 2f52bdcf6b

1 changed files with 11 additions and 1 deletions

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include/linux/netdevice.h

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