cls_flower: Add extack support for flags key
Pass extack down to fl_set_key_flags() and set message on error.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 5811dd9..9b6acd7 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -856,14 +856,16 @@ static void fl_set_key_flag(u32 flower_key, u32 flower_mask,
}
}
-static int fl_set_key_flags(struct nlattr **tb,
- u32 *flags_key, u32 *flags_mask)
+static int fl_set_key_flags(struct nlattr **tb, u32 *flags_key,
+ u32 *flags_mask, struct netlink_ext_ack *extack)
{
u32 key, mask;
/* mask is mandatory for flags */
- if (!tb[TCA_FLOWER_KEY_FLAGS_MASK])
+ if (!tb[TCA_FLOWER_KEY_FLAGS_MASK]) {
+ NL_SET_ERR_MSG(extack, "Missing flags mask");
return -EINVAL;
+ }
key = be32_to_cpu(nla_get_u32(tb[TCA_FLOWER_KEY_FLAGS]));
mask = be32_to_cpu(nla_get_u32(tb[TCA_FLOWER_KEY_FLAGS_MASK]));
@@ -1474,7 +1476,8 @@ static int fl_set_key(struct net *net, struct nlattr **tb,
return ret;
if (tb[TCA_FLOWER_KEY_FLAGS])
- ret = fl_set_key_flags(tb, &key->control.flags, &mask->control.flags);
+ ret = fl_set_key_flags(tb, &key->control.flags,
+ &mask->control.flags, extack);
return ret;
}