hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

net: sched: cls_fw: no need to call tcf_exts_change for newly allocated struct 

As the f struct was allocated right before fw_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>
This commit is contained in:
Jiri Pirko 2017-08-04 14:29:07 +02:00 committed by David S. Miller
parent 455075292b
commit 94611bff6e
1 changed files with 5 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
net/sched/cls_fw.c
View File

@ -195,16 +195,12 @@ static int fw_set_parms(struct net *net, struct tcf_proto *tp,
struct nlattr **tca, unsigned long base, bool ovr)
{
struct fw_head *head = rtnl_dereference(tp->root);
struct tcf_exts e;
u32 mask;
int err;
err = tcf_exts_init(&e, TCA_FW_ACT, TCA_FW_POLICE);
err = tcf_exts_validate(net, tp, tb, tca[TCA_RATE], &f->exts, ovr);
if (err < 0)
return err;
err = tcf_exts_validate(net, tp, tb, tca[TCA_RATE], &e, ovr);
if (err < 0)
goto errout;
if (tb[TCA_FW_CLASSID]) {
f->res.classid = nla_get_u32(tb[TCA_FW_CLASSID]);
@ -215,10 +211,8 @@ static int fw_set_parms(struct net *net, struct tcf_proto *tp,
if (tb[TCA_FW_INDEV]) {
int ret;
ret = tcf_change_indev(net, tb[TCA_FW_INDEV]);
if (ret < 0) {
err = ret;
goto errout;
}
if (ret < 0)
return ret;
f->ifindex = ret;
}
#endif /* CONFIG_NET_CLS_IND */
@ -227,16 +221,11 @@ static int fw_set_parms(struct net *net, struct tcf_proto *tp,
if (tb[TCA_FW_MASK]) {
mask = nla_get_u32(tb[TCA_FW_MASK]);
if (mask != head->mask)
goto errout;
return err;
} else if (head->mask != 0xFFFFFFFF)
goto errout;
tcf_exts_change(tp, &f->exts, &e);
return err;
return 0;
errout:
tcf_exts_destroy(&e);
return err;
}
static int fw_change(struct net *net, struct sk_buff *in_skb,