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powerpc/pseries/cmm: Cleanup rc handling in cmm_init()

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

Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20191031142933.10779-4-david@redhat.com
This commit is contained in:
David Hildenbrand 2019-10-31 15:29:24 +01:00 committed by Michael Ellerman
parent 022da22318
commit 68f7a04932
1 changed files with 3 additions and 4 deletions
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7
arch/powerpc/platforms/pseries/cmm.c
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@ -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);