From: zuoqilin <zuoqilin@yulong.com>
Date: Fri, 26 Mar 2021 07:56:19 +0000 (+0800)
Subject: powerpc/pseries/cmm: Remove unneeded variable "ret"
X-Git-Tag: v5.19-rc1~107^2~160
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=701c31672a0b8f3694579e82f4c3fd8a1f9f4d5b;p=linux-2.6-block.git

powerpc/pseries/cmm: Remove unneeded variable "ret"

Remove unneeded variable: "ret".

Signed-off-by: zuoqilin <zuoqilin@yulong.com>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
[mpe: Just return NOTIFY_OK directly]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210326075619.48-1-zuoqilin1@163.com
---

diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c
index 45a3a3022a85..15ed8206c463 100644
--- a/arch/powerpc/platforms/pseries/cmm.c
+++ b/arch/powerpc/platforms/pseries/cmm.c
@@ -475,8 +475,6 @@ static struct notifier_block cmm_reboot_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 NOTIFY_OK;
 }
 
 static struct notifier_block cmm_mem_nb = {