[PATCH] cgroup: fix boolreturn.cocci warnings

[kbuild test robot]

kernel/cgroup.c:262:9-10: WARNING: return of 0/1 in function 'cgroup_ssid_enabled' with return type bool

 Return statements in functions returning bool should use
 true/false instead of 1/0.
Generated by: scripts/coccinelle/misc/boolreturn.cocci

CC: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---

 cgroup.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -259,7 +259,7 @@ static int cgroup_addrm_files(struct cgr
 static bool cgroup_ssid_enabled(int ssid)
 {
 	if (CGROUP_SUBSYS_COUNT == 0)
-		return 0;
+		return false;
 
 	return static_key_enabled(cgroup_subsys_enabled_key[ssid]);
 }