2024-04-10 09:33:28

by Asbjørn Sloth Tønnesen

[permalink] [raw]
Subject: [PATCH net-next v2 3/4] net: prestera: flower: validate control flags

Add check for unsupported control flags.

Only compile-tested, no access to HW.

Signed-off-by: Asbjørn Sloth Tønnesen <[email protected]>
---
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..418101a931490 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_has_control_flags(match.mask->flags,
+ f->common.extack))
+ return -EOPNOTSUPP;
}

if (flow_rule_match_key(f_rule, FLOW_DISSECTOR_KEY_BASIC)) {
--
2.43.0