[PATCH net-next 4/6] net: prestera: flower: validate control flags
From: Asbjørn Sloth Tønnesen
Date: Mon Apr 08 2024 - 09:23:59 EST
Add check for unsupported control flags.
Only compile-tested, no access to HW.
Signed-off-by: Asbjørn Sloth Tønnesen <ast@xxxxxxxxxxx>
---
drivers/net/ethernet/marvell/prestera/prestera_flower.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_flower.c b/drivers/net/ethernet/marvell/prestera/prestera_flower.c
index 8b9455d8a4f7a..075aed847913d 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_flower.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_flower.c
@@ -229,6 +229,10 @@ static int prestera_flower_parse(struct prestera_flow_block *block,
flow_rule_match_control(f_rule, &match);
addr_type = match.key->addr_type;
+
+ if (!flow_rule_no_control_flags(match.mask->flags,
+ f->common.extack))
+ return -EOPNOTSUPP;
}
if (flow_rule_match_key(f_rule, FLOW_DISSECTOR_KEY_BASIC)) {
--
2.43.0