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Subject[PATCH v1 03/12] powerpc/pseries: CMM: Cleanup rc handling in cmm_init()
Date
No need to initialize rc. Also, let's return 0 directly when succeeding.

Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Arun KS <arunks@codeaurora.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Hildenbrand <david@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
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