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net/core: lockdep_rtnl_is_held can be boolean

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This patch makes lockdep_rtnl_is_held return bool due to this
particular function only using either one or zero as its return
value.

In another patch lockdep_is_held is also made return bool.

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 21:29:02 +08:00 committed by David S. Miller
parent f06cc7b284
commit 0cbf334376
2 changed files with 4 additions and 4 deletions
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6
include/linux/rtnetlink.h
View File

@ -33,11 +33,11 @@ extern wait_queue_head_t netdev_unregistering_wq;
extern struct mutex net_mutex;
#ifdef CONFIG_PROVE_LOCKING
extern int lockdep_rtnl_is_held(void);
extern bool lockdep_rtnl_is_held(void);
#else
static inline int lockdep_rtnl_is_held(void)
static inline bool lockdep_rtnl_is_held(void)
{
return 1;
return true;
}
#endif /* #ifdef CONFIG_PROVE_LOCKING */

2
net/core/rtnetlink.c
View File

@ -96,7 +96,7 @@ int rtnl_is_locked(void)
EXPORT_SYMBOL(rtnl_is_locked);
#ifdef CONFIG_PROVE_LOCKING
int lockdep_rtnl_is_held(void)
bool lockdep_rtnl_is_held(void)
{
return lockdep_is_held(&rtnl_mutex);
}