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net: bridge: mcast: fix unused br var when lockdep isn't defined
Stephen reported the following warning:
net/bridge/br_multicast.c: In function 'br_multicast_find_port':
net/bridge/br_multicast.c:1818:21: warning: unused variable 'br' [-Wunused-variable]
1818 | struct net_bridge *br = mp->br;
| ^~
It happens due to bridge's mlock_dereference() when lockdep isn't defined.
Silence the warning by annotating the variable as __maybe_unused.
Fixes: 0436862e41
("net: bridge: mcast: support for IGMPv3/MLDv2 ALLOW_NEW_SOURCES report")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
8c70b26817
commit
071445c605
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@ -1814,8 +1814,8 @@ br_multicast_find_port(struct net_bridge_mdb_entry *mp,
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struct net_bridge_port *p,
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const unsigned char *src)
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{
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struct net_bridge *br __maybe_unused = mp->br;
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struct net_bridge_port_group *pg;
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struct net_bridge *br = mp->br;
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for (pg = mlock_dereference(mp->ports, br);
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pg;
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