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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>
This commit is contained in:
Yaowei Bai 2015-10-08 21:28:56 +08:00 committed by David S. Miller
parent 35498edc64
commit 875e082949
2 changed files with 4 additions and 4 deletions
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6
include/linux/netfilter/nfnetlink.h
View File

@ -45,11 +45,11 @@ int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u32 portid,
void nfnl_lock(__u8 subsys_id);
void nfnl_unlock(__u8 subsys_id);
#ifdef CONFIG_PROVE_LOCKING
int lockdep_nfnl_is_held(__u8 subsys_id);
bool lockdep_nfnl_is_held(__u8 subsys_id);
#else
static inline int lockdep_nfnl_is_held(__u8 subsys_id)
static inline bool lockdep_nfnl_is_held(__u8 subsys_id)
{
return 1;
return true;
}
#endif /* CONFIG_PROVE_LOCKING */

2
net/netfilter/nfnetlink.c
View File

@ -64,7 +64,7 @@ void nfnl_unlock(__u8 subsys_id)
EXPORT_SYMBOL_GPL(nfnl_unlock);
#ifdef CONFIG_PROVE_LOCKING
int lockdep_nfnl_is_held(u8 subsys_id)
bool lockdep_nfnl_is_held(u8 subsys_id)
{
return lockdep_is_held(&table[subsys_id].mutex);
}