From 715df5ecab0f22685930cb8bb0cc70ed8fb9279e Mon Sep 17 00:00:00 2001 From: Jakub Kicinski Date: Wed, 24 Jan 2018 12:54:13 -0800 Subject: net: sched: propagate extack to cls->destroy callbacks Propagate extack to cls->destroy callbacks when called from non-error paths. On error paths pass NULL to avoid overwriting the failure message. Signed-off-by: Jakub Kicinski Reviewed-by: Simon Horman Signed-off-by: David S. Miller --- net/sched/cls_api.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) (limited to 'net/sched/cls_api.c') diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index f5d293416f46..bcb4ccb5f894 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -172,9 +172,10 @@ errout: return ERR_PTR(err); } -static void tcf_proto_destroy(struct tcf_proto *tp) +static void tcf_proto_destroy(struct tcf_proto *tp, + struct netlink_ext_ack *extack) { - tp->ops->destroy(tp); + tp->ops->destroy(tp, extack); module_put(tp->ops->owner); kfree_rcu(tp, rcu); } @@ -223,7 +224,7 @@ static void tcf_chain_flush(struct tcf_chain *chain) tcf_chain_head_change(chain, NULL); while (tp) { RCU_INIT_POINTER(chain->filter_chain, tp->next); - tcf_proto_destroy(tp); + tcf_proto_destroy(tp, NULL); tp = rtnl_dereference(chain->filter_chain); tcf_chain_put(chain); } @@ -1182,7 +1183,7 @@ replay: tcf_chain_tp_remove(chain, &chain_info, tp); tfilter_notify(net, skb, n, tp, block, q, parent, fh, RTM_DELTFILTER, false); - tcf_proto_destroy(tp); + tcf_proto_destroy(tp, extack); err = 0; goto errout; } @@ -1200,7 +1201,7 @@ replay: case RTM_NEWTFILTER: if (n->nlmsg_flags & NLM_F_EXCL) { if (tp_created) - tcf_proto_destroy(tp); + tcf_proto_destroy(tp, NULL); NL_SET_ERR_MSG(extack, "Filter already exists"); err = -EEXIST; goto errout; @@ -1214,7 +1215,7 @@ replay: goto errout; if (last) { tcf_chain_tp_remove(chain, &chain_info, tp); - tcf_proto_destroy(tp); + tcf_proto_destroy(tp, extack); } goto errout; case RTM_GETTFILTER: @@ -1240,7 +1241,7 @@ replay: RTM_NEWTFILTER, false); } else { if (tp_created) - tcf_proto_destroy(tp); + tcf_proto_destroy(tp, NULL); } errout: -- cgit v1.2.3