netdev - [PATCH] net: bridge: fix signature of stub br_multicast_is

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Message-Id: <20210515203849.1756371-1-trix@redhat.com>
Date:   Sat, 15 May 2021 13:38:49 -0700
From:   trix@...hat.com
To:     roopa@...dia.com, nikolay@...dia.com, davem@...emloft.net,
        kuba@...nel.org
Cc:     bridge@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Tom Rix <trix@...hat.com>
Subject: [PATCH] net: bridge: fix signature of stub br_multicast_is_router

From: Tom Rix <trix@...hat.com>

Building with CONFIG_IPV6 off causes this build error

br_input.c:135:8: error: too many arguments to function
  ‘br_multicast_is_router’
        br_multicast_is_router(br, skb)) {
        ^~~~~~~~~~~~~~~~~~~~~~
In file included from net/bridge/br_input.c:23:
net/bridge/br_private.h:1059:20: note: declared here
 static inline bool br_multicast_is_router(struct net_bridge *br)
                    ^~~~~~~~~~~~~~~~~~~~~~

Comparing the stub with the real function shows the stub needs
another parameter.

Signed-off-by: Tom Rix <trix@...hat.com>
---
 net/bridge/br_private.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index f9a381fcff094..9fd54626ca809 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -1056,7 +1056,7 @@ static inline void br_multicast_flood(struct net_bridge_mdb_entry *mdst,
 {
 }
 
-static inline bool br_multicast_is_router(struct net_bridge *br)
+static inline bool br_multicast_is_router(struct net_bridge *br, struct sk_buff *skb)
 {
 	return false;
 }
-- 
2.26.3