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Subject[PATCH 3/9] net/nfnetlink: lockdep_nfnl_is_held can be boolean
Date
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>
---
include/linux/netfilter/nfnetlink.h | 6 +++---
net/netfilter/nfnetlink.c | 2 +-
2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index e955d47..249d1bb 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -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 */

diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 70277b1..f1d9e88 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -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);
}
--
1.9.1



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