[RH7,2/3] ms/netfilter: Replace spin_is_locked() with lockdep

Submitted by Vasily Averin on Dec. 6, 2020, 5:56 a.m.

Details

Message ID 40b8740b-1a9d-6b61-a6b7-3127be6318b7@virtuozzo.com
State New
Series "Series without cover letter"
Headers show

Commit Message

Vasily Averin Dec. 6, 2020, 5:56 a.m.
From: Lance Roy <ldr709@gmail.com>

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@gmail.com>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Cc: Florian Westphal <fw@strlen.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: <netfilter-devel@vger.kernel.org>
Cc: <coreteam@netfilter.org>
Cc: <netdev@vger.kernel.org>
Acked-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

(cherry-picked from commit 4b87dd54be21ad611a1c740f9df0c4376d496e09)
https://jira.sw.ru/browse/PSBM-123086
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
---
 net/netfilter/ipset/ip_set_hash_gen.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch hide | download patch | download mbox

diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h
index 225348a..a437adf 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)