netdev - [PATCH net-next] flow_offload: add const qualifiers to function arguments

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Message-ID: <20260204052839.198602-1-mmyangfl@gmail.com>
Date: Wed,  4 Feb 2026 13:28:35 +0800
From: David Yang <mmyangfl@...il.com>
To: netdev@...r.kernel.org
Cc: David Yang <mmyangfl@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH net-next] flow_offload: add const qualifiers to function arguments

Some functions do not modify the pointed-to data, but lack const
qualifiers. Add const qualifiers to the arguments of
flow_rule_match_has_control_flags() and flow_cls_offload_flow_rule().

Signed-off-by: David Yang <mmyangfl@...il.com>
---
 include/net/flow_offload.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index 596ab9791e4d..5637747019c1 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -526,7 +526,7 @@ static inline bool flow_rule_has_enc_control_flags(const u32 enc_ctrl_flags,
  *
  * Return: true if control flags are set, false otherwise.
  */
-static inline bool flow_rule_match_has_control_flags(struct flow_rule *rule,
+static inline bool flow_rule_match_has_control_flags(const struct flow_rule *rule,
 						     struct netlink_ext_ack *extack)
 {
 	struct flow_match_control match;
@@ -718,7 +718,7 @@ struct flow_offload_action {
 struct flow_offload_action *offload_action_alloc(unsigned int num_actions);
 
 static inline struct flow_rule *
-flow_cls_offload_flow_rule(struct flow_cls_offload *flow_cmd)
+flow_cls_offload_flow_rule(const struct flow_cls_offload *flow_cmd)
 {
 	return flow_cmd->rule;
 }
-- 
2.51.0