[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>

1 files changed, 4 insertions, 3 deletions

diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c
index 3953da33956f..524b7885dc32 100644
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -166,7 +166,7 @@ errout:
 static int basic_change(struct tcf_proto *tp, unsigned long base, u32 handle,
                         struct nlattr **tca, unsigned long *arg)
 {
-        int err = -EINVAL;
+        int err;
         struct basic_head *head = (struct basic_head *) tp->root;
         struct nlattr *tb[TCA_BASIC_MAX + 1];
         struct basic_filter *f = (struct basic_filter *) *arg;
@@ -174,8 +174,9 @@ static int basic_change(struct tcf_proto *tp, unsigned long base, u32 handle,
         if (tca[TCA_OPTIONS] == NULL)
                 return -EINVAL;
 
-        if (nla_parse_nested(tb, TCA_BASIC_MAX, tca[TCA_OPTIONS], NULL) < 0)
-                return -EINVAL;
+        err = nla_parse_nested(tb, TCA_BASIC_MAX, tca[TCA_OPTIONS], NULL);
+        if (err < 0)
+                return err;
 
         if (f != NULL) {
                 if (handle && f->handle != handle)