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cls_matchall: propagate extack to delete callback

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Propagate extack on removal of offloaded filter.  Don't pass
extack from error paths.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2018-01-24 12:54:19 -08:00 committed by David S. Miller
parent 93da52b567
commit b505b29f68
1 changed files with 5 additions and 4 deletions
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9
net/sched/cls_matchall.c
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@ -71,12 +71,13 @@ static void mall_destroy_rcu(struct rcu_head *rcu)
static void mall_destroy_hw_filter(struct tcf_proto *tp,
struct cls_mall_head *head,
unsigned long cookie)
unsigned long cookie,
struct netlink_ext_ack *extack)
{
struct tc_cls_matchall_offload cls_mall = {};
struct tcf_block *block = tp->chain->block;
tc_cls_common_offload_init(&cls_mall.common, tp, head->flags, NULL);
tc_cls_common_offload_init(&cls_mall.common, tp, head->flags, extack);
cls_mall.command = TC_CLSMATCHALL_DESTROY;
cls_mall.cookie = cookie;
@ -102,7 +103,7 @@ static int mall_replace_hw_filter(struct tcf_proto *tp,
err = tc_setup_cb_call(block, NULL, TC_SETUP_CLSMATCHALL,
&cls_mall, skip_sw);
if (err < 0) {
mall_destroy_hw_filter(tp, head, cookie);
mall_destroy_hw_filter(tp, head, cookie, NULL);
return err;
} else if (err > 0) {
tcf_block_offload_inc(block, &head->flags);
@ -122,7 +123,7 @@ static void mall_destroy(struct tcf_proto *tp, struct netlink_ext_ack *extack)
return;
if (!tc_skip_hw(head->flags))
mall_destroy_hw_filter(tp, head, (unsigned long) head);
mall_destroy_hw_filter(tp, head, (unsigned long) head, extack);
if (tcf_exts_get_net(&head->exts))
call_rcu(&head->rcu, mall_destroy_rcu);