net/netlink: lockdep_genl_is_held can be boolean

This patch makes lockdep_genl_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>

diff --git a/include/linux/genetlink.h b/include/linux/genetlink.h
index 09460d6d668208e3e4997b42f6dca05d0ef917a8..a4c61cbce777096a2d2171f8ec37a5f75f5f6bb8 100644 (file)
--- a/include/linux/genetlink.h
+++ b/include/linux/genetlink.h
@@ -8,7 +8,7 @@
 extern void genl_lock(void);
 extern void genl_unlock(void);
 #ifdef CONFIG_LOCKDEP
-extern int lockdep_genl_is_held(void);
+extern bool lockdep_genl_is_held(void);
 #endif
 
 /* for synchronisation between af_netlink and genetlink */

diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 75724a96aef26723236b957cff47bac26a45e52e..bc0e504f33a68ee92897cb3c45241d4d3348deba 100644 (file)
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -39,7 +39,7 @@ void genl_unlock(void)
 EXPORT_SYMBOL(genl_unlock);
 
 #ifdef CONFIG_LOCKDEP
-int lockdep_genl_is_held(void)
+bool lockdep_genl_is_held(void)
 {
        return lockdep_is_held(&genl_mutex);
 }