[PATCH] arch/powerpc: Remove unneeded variable: "ret"

[zuoqilin1 at 163.com]

From: zuoqilin <zuoqilin at yulong.com>

Remove unneeded variable: "ret".

Signed-off-by: zuoqilin <zuoqilin at yulong.com>
---
 arch/powerpc/platforms/pseries/cmm.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c
index 45a3a30..95ebb0c 100644
--- a/arch/powerpc/platforms/pseries/cmm.c
+++ b/arch/powerpc/platforms/pseries/cmm.c
@@ -475,8 +475,6 @@ static int cmm_reboot_notifier(struct notifier_block *nb,
 static int cmm_memory_cb(struct notifier_block *self,
 			unsigned long action, void *arg)
 {
-	int ret = 0;
-
 	switch (action) {
 	case MEM_GOING_OFFLINE:
 		mutex_lock(&hotplug_mutex);
@@ -493,7 +491,7 @@ static int cmm_memory_cb(struct notifier_block *self,
 		break;
 	}
 
-	return notifier_from_errno(ret);
+	return notifier_from_errno(0);
 }
 
 static struct notifier_block cmm_mem_nb = {
-- 
1.9.1