net: sch: api: add extack support in qdisc_alloc
authorAlexander Aring <aring@mojatatu.com>
Wed, 20 Dec 2017 17:35:20 +0000 (12:35 -0500)
committerDavid S. Miller <davem@davemloft.net>
Thu, 21 Dec 2017 17:32:51 +0000 (12:32 -0500)
commitd0bd684dddab51ed017ece0359f26b038ec31940
treed291b35a0e232ba4314116d8d2333b703a49af3b
parent8d1a77f974ca61d39afa5bf0aeab210525d31475
net: sch: api: add extack support in qdisc_alloc

This patch adds extack support for the function qdisc_alloc 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 qdisc_alloc 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>
include/net/sch_generic.h
net/sched/sch_api.c
net/sched/sch_generic.c