[PATCH 14/16] netfilter: Replace spin_is_locked() with lockdep

From: Lance Roy
Date: Wed Oct 03 2018 - 01:40:23 EST


lockdep_assert_held() is better suited to checking locking requirements,
since it won't get confused when someone else holds the lock. This is
also a step towards possibly removing spin_is_locked().

Signed-off-by: Lance Roy <ldr709@xxxxxxxxx>
Cc: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Cc: Jozsef Kadlecsik <kadlec@xxxxxxxxxxxxxxxxx>
Cc: Florian Westphal <fw@xxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: <netfilter-devel@xxxxxxxxxxxxxxx>
Cc: <coreteam@xxxxxxxxxxxxx>
Cc: <netdev@xxxxxxxxxxxxxxx>
---
net/netfilter/ipset/ip_set_hash_gen.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h
index 8a33dac4e805..e287da68d5fa 100644
--- a/net/netfilter/ipset/ip_set_hash_gen.h
+++ b/net/netfilter/ipset/ip_set_hash_gen.h
@@ -15,7 +15,7 @@

#define __ipset_dereference_protected(p, c) rcu_dereference_protected(p, c)
#define ipset_dereference_protected(p, set) \
- __ipset_dereference_protected(p, spin_is_locked(&(set)->lock))
+ __ipset_dereference_protected(p, lockdep_is_held(&(set)->lock))

#define rcu_dereference_bh_nfnl(p) rcu_dereference_bh_check(p, 1)

--
2.19.0