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>
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 580b794..53b8ea7 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -114,14 +114,14 @@
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 @@
.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)