net: Fix build failure due to lockdep_sock_is_held().
Needs to be protected with CONFIG_LOCKDEP.
Based upon a patch by Hannes Frederic Sowa.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/sock.h b/include/net/sock.h
index 46b2937..81d6fec 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1360,6 +1360,7 @@
lockdep_init_map(&(sk)->sk_lock.dep_map, (name), (key), 0); \
} while (0)
+#ifdef CONFIG_LOCKDEP
static inline bool lockdep_sock_is_held(const struct sock *csk)
{
struct sock *sk = (struct sock *)csk;
@@ -1367,6 +1368,7 @@
return lockdep_is_held(&sk->sk_lock) ||
lockdep_is_held(&sk->sk_lock.slock);
}
+#endif
void lock_sock_nested(struct sock *sk, int subclass);