diff options
| author |   Jiri Pirko <jiri@mellanox.com> | 2017-08-04 14:29:14 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-08-04 11:21:24 -0700 |
| commit | 705c7091262d02b09eb686c24491de61bf42fdb2 (patch) | |
| tree | b48121596cd53d9172132b18aee92ffb5020c58b /net/sched/cls_u32.c | |
| parent | net: sched: cls_route: no need to call tcf_exts_change for newly allocated struct (diff) | |
| download | linux-dev-705c7091262d02b09eb686c24491de61bf42fdb2.tar.xz linux-dev-705c7091262d02b09eb686c24491de61bf42fdb2.zip | |
net: sched: cls_u32: no need to call tcf_exts_change for newly allocated struct
As the n struct was allocated right before u32_set_parms call,
no need to use tcf_exts_change to do atomic change, and we can just
fill-up the unused exts struct directly by tcf_exts_validate.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/cls_u32.c')
| -rw-r--r-- | net/sched/cls_u32.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index 2d01195153e6..9fd243799fe7 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -723,29 +723,24 @@ static int u32_set_parms(struct net *net, struct tcf_proto *tp, struct tc_u_knode *n, struct nlattr **tb, struct nlattr *est, bool ovr) { - struct tcf_exts e; int err; - err = tcf_exts_init(&e, TCA_U32_ACT, TCA_U32_POLICE); + err = tcf_exts_validate(net, tp, tb, est, &n->exts, ovr); if (err < 0) return err; - err = tcf_exts_validate(net, tp, tb, est, &e, ovr); - if (err < 0) - goto errout; - err = -EINVAL; if (tb[TCA_U32_LINK]) { u32 handle = nla_get_u32(tb[TCA_U32_LINK]); struct tc_u_hnode *ht_down = NULL, *ht_old; if (TC_U32_KEY(handle)) - goto errout; + return -EINVAL; if (handle) { ht_down = u32_lookup_ht(ht->tp_c, handle); if (ht_down == NULL) - goto errout; + return -EINVAL; ht_down->refcnt++; } @@ -765,16 +760,11 @@ static int u32_set_parms(struct net *net, struct tcf_proto *tp, int ret; ret = tcf_change_indev(net, tb[TCA_U32_INDEV]); if (ret < 0) - goto errout; + return -EINVAL; n->ifindex = ret; } #endif - tcf_exts_change(tp, &n->exts, &e); - return 0; -errout: - tcf_exts_destroy(&e); - return err; } static void u32_replace_knode(struct tcf_proto *tp, struct tc_u_common *tp_c, |