tree 29d15c7f45bec6fa4579b2a5a5ef8fff13f232e4
parent e9bc3fa28bae7612f41e3538f241a2f87f629c94
author Alexander Aring <aring@mojatatu.com> 1513791319 -0500
committer David S. Miller <davem@davemloft.net> 1513877571 -0500

net: sch: api: add extack support in tcf_block_get

This patch adds extack support for the function tcf_block_get which is
a common used function in the tc subsystem. Callers which are interested
in the receiving error can assign extack to get a more detailed
information why tcf_block_get failed.

Cc: David Ahern <dsahern@gmail.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>