[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>
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index ed80239..6b84d27 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -350,6 +350,7 @@
struct nlattr *tb[TCA_TCINDEX_MAX + 1];
struct tcindex_data *p = PRIV(tp);
struct tcindex_filter_result *r = (struct tcindex_filter_result *) *arg;
+ int err;
pr_debug("tcindex_change(tp %p,handle 0x%08x,tca %p,arg %p),opt %p,"
"p %p,r %p,*arg 0x%lx\n",
@@ -358,8 +359,9 @@
if (!opt)
return 0;
- if (nla_parse_nested(tb, TCA_TCINDEX_MAX, opt, NULL) < 0)
- return -EINVAL;
+ err = nla_parse_nested(tb, TCA_TCINDEX_MAX, opt, NULL);
+ if (err < 0)
+ return err;
return tcindex_set_parms(tp, base, handle, p, r, tb, tca[TCA_RATE]);
}