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authorPatrick McHardy <kaber@trash.net>2008-01-24 07:33:32 +0300
committerDavid S. Miller <davem@davemloft.net>2008-01-29 02:11:18 +0300
commitcee63723b358e594225e812d6e14a2a0abfd5c88 (patch)
tree847f929e0f445cca8cdf55d7c17a56b0d0f2ec68 /net/sched/ematch.c
parentab27cfb85c5778400740ad0c401bde65616774eb (diff)
downloadlinux-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/ematch.c')
-rw-r--r--net/sched/ematch.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index 72d9b2735245..d2b480f01a40 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c
@@ -301,7 +301,7 @@ errout:
int tcf_em_tree_validate(struct tcf_proto *tp, struct nlattr *nla,
struct tcf_ematch_tree *tree)
{
- int idx, list_len, matches_len, err = -EINVAL;
+ int idx, list_len, matches_len, err;
struct nlattr *tb[TCA_EMATCH_TREE_MAX + 1];
struct nlattr *rt_match, *rt_hdr, *rt_list;
struct tcf_ematch_tree_hdr *tree_hdr;
@@ -312,9 +312,11 @@ int tcf_em_tree_validate(struct tcf_proto *tp, struct nlattr *nla,
return 0;
}
- if (nla_parse_nested(tb, TCA_EMATCH_TREE_MAX, nla, NULL) < 0)
+ err = nla_parse_nested(tb, TCA_EMATCH_TREE_MAX, nla, NULL);
+ if (err < 0)
goto errout;
+ err = -EINVAL;
rt_hdr = tb[TCA_EMATCH_TREE_HDR];
rt_list = tb[TCA_EMATCH_TREE_LIST];