diff options
| author | Patrick McHardy <kaber@trash.net> | 2008-01-24 07:33:32 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-29 02:11:18 +0300 |
| commit | cee63723b358e594225e812d6e14a2a0abfd5c88 (patch) | |
| tree | 847f929e0f445cca8cdf55d7c17a56b0d0f2ec68 /net/sched/act_api.c | |
| parent | ab27cfb85c5778400740ad0c401bde65616774eb (diff) | |
| download | linux-cee63723b358e594225e812d6e14a2a0abfd5c88.tar.xz | |
[NET_SCHED]: Propagate nla_parse return value
nla_parse() returns more detailed errno codes, propagate them back on
error.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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, struct nlattr *kind; int err; - err = -EINVAL; - if (name == NULL) { - if (nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL) < 0) + err = nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL); + if (err < 0) goto err_out; + err = -EINVAL; kind = tb[TCA_ACT_KIND]; if (kind == NULL) goto err_out; if (nla_strlcpy(act_name, kind, IFNAMSIZ) >= IFNAMSIZ) goto err_out; } else { + err = -EINVAL; if (strlcpy(act_name, name, IFNAMSIZ) >= IFNAMSIZ) goto err_out; } @@ -548,10 +549,12 @@ struct tc_action *tcf_action_init(struct nlattr *nla, struct nlattr *est, { struct nlattr *tb[TCA_ACT_MAX_PRIO+1]; struct tc_action *head = NULL, *act, *act_prev = NULL; + int err; int i; - if (nla_parse_nested(tb, TCA_ACT_MAX_PRIO, nla, NULL) < 0) - return ERR_PTR(-EINVAL); + err = nla_parse_nested(tb, TCA_ACT_MAX_PRIO, nla, NULL); + if (err < 0) + return ERR_PTR(err); for (i = 1; i <= TCA_ACT_MAX_PRIO && tb[i]; i++) { 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) int index; int err; - err = -EINVAL; - if (nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL) < 0) + err = nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL); + if (err < 0) goto err_out; + err = -EINVAL; if (tb[TCA_ACT_INDEX] == NULL || nla_len(tb[TCA_ACT_INDEX]) < sizeof(index)) goto err_out; @@ -759,9 +763,11 @@ static int tca_action_flush(struct nlattr *nla, struct nlmsghdr *n, u32 pid) b = skb_tail_pointer(skb); - if (nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL) < 0) + err = nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL); + if (err < 0) goto err_out; + err = -EINVAL; kind = tb[TCA_ACT_KIND]; a->ops = tc_lookup_action(kind); if (a->ops == NULL) @@ -804,12 +810,13 @@ err_out: static int tca_action_gd(struct nlattr *nla, struct nlmsghdr *n, u32 pid, int event) { - int i, ret = 0; + int i, ret; struct nlattr *tb[TCA_ACT_MAX_PRIO+1]; struct tc_action *head = NULL, *act, *act_prev = NULL; - if (nla_parse_nested(tb, TCA_ACT_MAX_PRIO, nla, NULL) < 0) - return -EINVAL; + ret = nla_parse_nested(tb, TCA_ACT_MAX_PRIO, nla, NULL); + if (ret < 0) + return ret; if (event == RTM_DELACTION && n->nlmsg_flags&NLM_F_ROOT) { if (tb[0] != NULL && tb[1] == NULL) |