linux-kernel - [PATCH] mm/zsmalloc: remove uninitialized

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Date:	Mon, 24 Nov 2014 22:02:47 +0800
From:	Mahendran Ganesh <opensource.ganesh@...il.com>
To:	minchan@...nel.org, ngupta@...are.org
Cc:	akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Mahendran Ganesh <opensource.ganesh@...il.com>
Subject: [PATCH] mm/zsmalloc: remove uninitialized_var

uninitialized_var() is not recommended to be used  to
avoid compiler warnings
  https://lkml.org/lkml/2012/10/27/71

So this patch initializes ret with *NOTIFY_OK*.

Signed-off-by: Mahendran Ganesh <opensource.ganesh@...il.com>
---
 mm/zsmalloc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index bb55736..480fa4c 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -897,7 +897,7 @@ static void zs_unregister_cpu_notifier(void)
 
 static int zs_register_cpu_notifier(void)
 {
-	int cpu, uninitialized_var(ret);
+	int cpu, ret = NOTIFY_OK;
 
 	cpu_notifier_register_begin();
 
-- 
1.7.9.5

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