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authorHerbert Xu <herbert@gondor.apana.org.au>2014-11-13 18:11:18 +0800
committerDavid S. Miller <davem@davemloft.net>2014-11-13 15:13:05 -0500
commit971275662040beef8f73f8e5dbcfb3d76a14bf04 (patch)
tree7226d59d21634991d9f2cc61a3b5beccdd56d3d8 /net/netlink
parent9488e1e5b319751c71eebfd49027bf9e2377f38c (diff)
netlink: Move mutex_is_held under PROVE_LOCKING
The rhashtable function mutex_is_held is only used when PROVE_LOCKING is enabled. This patch modifies netlink so that we can rhashtable.h itself can later make mutex_is_held optional depending on PROVE_LOCKING. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netlink')
-rw-r--r--net/netlink/af_netlink.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 580b79452bec..53b8ea793191 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -114,14 +114,14 @@ static atomic_t nl_table_users = ATOMIC_INIT(0);
DEFINE_MUTEX(nl_sk_hash_lock);
EXPORT_SYMBOL_GPL(nl_sk_hash_lock);
+#ifdef CONFIG_PROVE_LOCKING
static int lockdep_nl_sk_hash_is_held(void)
{
-#ifdef CONFIG_LOCKDEP
if (debug_locks)
return lockdep_is_held(&nl_sk_hash_lock) || lockdep_is_held(&nl_table_lock);
-#endif
return 1;
}
+#endif
static ATOMIC_NOTIFIER_HEAD(netlink_chain);
@@ -3133,7 +3133,9 @@ static int __init netlink_proto_init(void)
.max_shift = 16, /* 64K */
.grow_decision = rht_grow_above_75,
.shrink_decision = rht_shrink_below_30,
+#ifdef CONFIG_PROVE_LOCKING
.mutex_is_held = lockdep_nl_sk_hash_is_held,
+#endif
};
if (err != 0)