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>
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@ -1360,6 +1360,7 @@ do { \
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lockdep_init_map(&(sk)->sk_lock.dep_map, (name), (key), 0); \
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} while (0)
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#ifdef CONFIG_LOCKDEP
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static inline bool lockdep_sock_is_held(const struct sock *csk)
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{
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struct sock *sk = (struct sock *)csk;
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@ -1367,6 +1368,7 @@ static inline bool lockdep_sock_is_held(const struct sock *csk)
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return lockdep_is_held(&sk->sk_lock) ||
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lockdep_is_held(&sk->sk_lock.slock);
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}
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#endif
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void lock_sock_nested(struct sock *sk, int subclass);
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