From f8a5ea8c2a7f2ad65e0b3f4e5054b9ebfc87c25e Mon Sep 17 00:00:00 2001 From: =?utf8?q?Asbj=C3=B8rn=20Sloth=20T=C3=B8nnesen?= Date: Thu, 11 Apr 2024 10:52:56 +0000 Subject: [PATCH] net: prestera: flower: validate control flags MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Add check for unsupported control flags. Only compile-tested, no access to HW. Signed-off-by: Asbjørn Sloth Tønnesen Signed-off-by: David S. Miller --- 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)) { -- 2.30.2