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net: Updates to netif_index_is_vrf
authorDavid Ahern <dsa@cumulusnetworks.com>
Sun, 16 Aug 2015 13:49:20 +0000 (07:49 -0600)
committerDavid S. Miller <davem@davemloft.net>
Mon, 17 Aug 2015 22:55:15 +0000 (15:55 -0700)
commit2f52bdcf6ba1bd81597b1505a222430676548b3a
treedd5fc84765a9c327b4008d0e22530636f1002ffftree | snapshot
parent9cd3778cd7e8f165675705511cfcd4ea6eb88d27commit | diff
net: Updates to netif_index_is_vrf

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>
include/linux/netdevice.h diff | blob | history
Linux kernel for KaRo TX COM modules