diff options
Diffstat (limited to 'net/sched/act_api.c')
-rw-r--r-- | net/sched/act_api.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/net/sched/act_api.c b/net/sched/act_api.c index ea80f82dbb6a..87818d7fb623 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c | |||
@@ -473,17 +473,18 @@ struct tc_action *tcf_action_init_1(struct nlattr *nla, struct nlattr *est, | |||
473 | struct nlattr *kind; | 473 | struct nlattr *kind; |
474 | int err; | 474 | int err; |
475 | 475 | ||
476 | err = -EINVAL; | ||
477 | |||
478 | if (name == NULL) { | 476 | if (name == NULL) { |
479 | if (nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL) < 0) | 477 | err = nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL); |
478 | if (err < 0) | ||
480 | goto err_out; | 479 | goto err_out; |
480 | err = -EINVAL; | ||
481 | kind = tb[TCA_ACT_KIND]; | 481 | kind = tb[TCA_ACT_KIND]; |
482 | if (kind == NULL) | 482 | if (kind == NULL) |
483 | goto err_out; | 483 | goto err_out; |
484 | if (nla_strlcpy(act_name, kind, IFNAMSIZ) >= IFNAMSIZ) | 484 | if (nla_strlcpy(act_name, kind, IFNAMSIZ) >= IFNAMSIZ) |
485 | goto err_out; | 485 | goto err_out; |
486 | } else { | 486 | } else { |
487 | err = -EINVAL; | ||
487 | if (strlcpy(act_name, name, IFNAMSIZ) >= IFNAMSIZ) | 488 | if (strlcpy(act_name, name, IFNAMSIZ) >= IFNAMSIZ) |
488 | goto err_out; | 489 | goto err_out; |
489 | } | 490 | } |
@@ -548,10 +549,12 @@ struct tc_action *tcf_action_init(struct nlattr *nla, struct nlattr *est, | |||
548 | { | 549 | { |
549 | struct nlattr *tb[TCA_ACT_MAX_PRIO+1]; | 550 | struct nlattr *tb[TCA_ACT_MAX_PRIO+1]; |
550 | struct tc_action *head = NULL, *act, *act_prev = NULL; | 551 | struct tc_action *head = NULL, *act, *act_prev = NULL; |
552 | int err; | ||
551 | int i; | 553 | int i; |
552 | 554 | ||
553 | if (nla_parse_nested(tb, TCA_ACT_MAX_PRIO, nla, NULL) < 0) | 555 | err = nla_parse_nested(tb, TCA_ACT_MAX_PRIO, nla, NULL); |
554 | return ERR_PTR(-EINVAL); | 556 | if (err < 0) |
557 | return ERR_PTR(err); | ||
555 | 558 | ||
556 | for (i = 1; i <= TCA_ACT_MAX_PRIO && tb[i]; i++) { | 559 | for (i = 1; i <= TCA_ACT_MAX_PRIO && tb[i]; i++) { |
557 | act = tcf_action_init_1(tb[i], est, name, ovr, bind); | 560 | act = tcf_action_init_1(tb[i], est, name, ovr, bind); |
@@ -674,10 +677,11 @@ tcf_action_get_1(struct nlattr *nla, struct nlmsghdr *n, u32 pid) | |||
674 | int index; | 677 | int index; |
675 | int err; | 678 | int err; |
676 | 679 | ||
677 | err = -EINVAL; | 680 | err = nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL); |
678 | if (nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL) < 0) | 681 | if (err < 0) |
679 | goto err_out; | 682 | goto err_out; |
680 | 683 | ||
684 | err = -EINVAL; | ||
681 | if (tb[TCA_ACT_INDEX] == NULL || | 685 | if (tb[TCA_ACT_INDEX] == NULL || |
682 | nla_len(tb[TCA_ACT_INDEX]) < sizeof(index)) | 686 | nla_len(tb[TCA_ACT_INDEX]) < sizeof(index)) |
683 | goto err_out; | 687 | goto err_out; |
@@ -759,9 +763,11 @@ static int tca_action_flush(struct nlattr *nla, struct nlmsghdr *n, u32 pid) | |||
759 | 763 | ||
760 | b = skb_tail_pointer(skb); | 764 | b = skb_tail_pointer(skb); |
761 | 765 | ||
762 | if (nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL) < 0) | 766 | err = nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL); |
767 | if (err < 0) | ||
763 | goto err_out; | 768 | goto err_out; |
764 | 769 | ||
770 | err = -EINVAL; | ||
765 | kind = tb[TCA_ACT_KIND]; | 771 | kind = tb[TCA_ACT_KIND]; |
766 | a->ops = tc_lookup_action(kind); | 772 | a->ops = tc_lookup_action(kind); |
767 | if (a->ops == NULL) | 773 | if (a->ops == NULL) |
@@ -804,12 +810,13 @@ err_out: | |||
804 | static int | 810 | static int |
805 | tca_action_gd(struct nlattr *nla, struct nlmsghdr *n, u32 pid, int event) | 811 | tca_action_gd(struct nlattr *nla, struct nlmsghdr *n, u32 pid, int event) |
806 | { | 812 | { |
807 | int i, ret = 0; | 813 | int i, ret; |
808 | struct nlattr *tb[TCA_ACT_MAX_PRIO+1]; | 814 | struct nlattr *tb[TCA_ACT_MAX_PRIO+1]; |
809 | struct tc_action *head = NULL, *act, *act_prev = NULL; | 815 | struct tc_action *head = NULL, *act, *act_prev = NULL; |
810 | 816 | ||
811 | if (nla_parse_nested(tb, TCA_ACT_MAX_PRIO, nla, NULL) < 0) | 817 | ret = nla_parse_nested(tb, TCA_ACT_MAX_PRIO, nla, NULL); |
812 | return -EINVAL; | 818 | if (ret < 0) |
819 | return ret; | ||
813 | 820 | ||
814 | if (event == RTM_DELACTION && n->nlmsg_flags&NLM_F_ROOT) { | 821 | if (event == RTM_DELACTION && n->nlmsg_flags&NLM_F_ROOT) { |
815 | if (tb[0] != NULL && tb[1] == NULL) | 822 | if (tb[0] != NULL && tb[1] == NULL) |