net/nfnetlink: lockdep_nfnl_is_held can be boolean
This patch makes lockdep_nfnl_is_held return bool to improve readability due to this particular function only using either one or zero as its return value. No functional change. Signed-off-by: Yaowei Bai <bywxiaobai@163.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -45,11 +45,11 @@ int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u32 portid,
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void nfnl_lock(__u8 subsys_id);
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void nfnl_lock(__u8 subsys_id);
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void nfnl_unlock(__u8 subsys_id);
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void nfnl_unlock(__u8 subsys_id);
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#ifdef CONFIG_PROVE_LOCKING
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#ifdef CONFIG_PROVE_LOCKING
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int lockdep_nfnl_is_held(__u8 subsys_id);
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bool lockdep_nfnl_is_held(__u8 subsys_id);
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#else
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#else
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static inline int lockdep_nfnl_is_held(__u8 subsys_id)
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static inline bool lockdep_nfnl_is_held(__u8 subsys_id)
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{
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{
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return 1;
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return true;
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}
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}
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#endif /* CONFIG_PROVE_LOCKING */
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#endif /* CONFIG_PROVE_LOCKING */
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@ -64,7 +64,7 @@ void nfnl_unlock(__u8 subsys_id)
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EXPORT_SYMBOL_GPL(nfnl_unlock);
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EXPORT_SYMBOL_GPL(nfnl_unlock);
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#ifdef CONFIG_PROVE_LOCKING
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#ifdef CONFIG_PROVE_LOCKING
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int lockdep_nfnl_is_held(u8 subsys_id)
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bool lockdep_nfnl_is_held(u8 subsys_id)
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{
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{
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return lockdep_is_held(&table[subsys_id].mutex);
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return lockdep_is_held(&table[subsys_id].mutex);
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}
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}
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