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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/sch_hfsc.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/sch_hfsc.c')
-rw-r--r--net/sched/sch_hfsc.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 4e6a164d3058..fcb4826158d6 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -997,10 +997,15 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
struct nlattr *tb[TCA_HFSC_MAX + 1];
struct tc_service_curve *rsc = NULL, *fsc = NULL, *usc = NULL;
u64 cur_time;
+ int err;
- if (opt == NULL || nla_parse_nested(tb, TCA_HFSC_MAX, opt, NULL))
+ if (opt == NULL)
return -EINVAL;
+ err = nla_parse_nested(tb, TCA_HFSC_MAX, opt, NULL);
+ if (err < 0)
+ return err;
+
if (tb[TCA_HFSC_RSC]) {
if (nla_len(tb[TCA_HFSC_RSC]) < sizeof(*rsc))
return -EINVAL;