[PATCH v1 03/12] powerpc/pseries: CMM: Cleanup rc handling in cmm_init()

[David Hildenbrand]

No need to initialize rc. Also, let's return 0 directly when succeeding.

Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Michael Ellerman <m...@ellerman.id.au>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: Michal Hocko <mho...@suse.com>
Cc: Konstantin Khlebnikov <khlebni...@yandex-team.ru>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Arun KS <aru...@codeaurora.org>
Cc: Thomas Gleixner <t...@linutronix.de>
Signed-off-by: David Hildenbrand <da...@redhat.com>
---
 arch/powerpc/platforms/pseries/cmm.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/cmm.c 
b/arch/powerpc/platforms/pseries/cmm.c
index fab049d3ea1e..738eb1681d40 100644
--- a/arch/powerpc/platforms/pseries/cmm.c
+++ b/arch/powerpc/platforms/pseries/cmm.c
@@ -669,7 +669,7 @@ static struct notifier_block cmm_mem_nb = {
  **/
 static int cmm_init(void)
 {
-       int rc = -ENOMEM;
+       int rc;
 
        if (!firmware_has_feature(FW_FEATURE_CMO))
                return -EOPNOTSUPP;
@@ -692,7 +692,7 @@ static int cmm_init(void)
                goto out_unregister_notifier;
 
        if (cmm_disabled)
-               return rc;
+               return 0;
 
        cmm_thread_ptr = kthread_run(cmm_thread, NULL, "cmmthread");
        if (IS_ERR(cmm_thread_ptr)) {
@@ -700,8 +700,7 @@ static int cmm_init(void)
                goto out_unregister_notifier;
        }
 
-       return rc;
-
+       return 0;
 out_unregister_notifier:
        unregister_memory_notifier(&cmm_mem_nb);
        unregister_memory_isolate_notifier(&cmm_mem_isolate_nb);
-- 
2.21.0