linux-kernel - [PATCH] of: remove redundant memset in overlay

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Message-ID: <1483787067-108430-1-git-send-email-xuyiping@hisilicon.com>
Date:   Sat, 7 Jan 2017 19:04:27 +0800
From:   YiPing Xu <xuyiping@...ilicon.com>
To:     <xuyiping@...ilicon.com>, <pantelis.antoniou@...sulko.com>,
        <robh+dt@...nel.org>, <frowand.list@...il.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] of: remove redundant memset in overlay

From: XuYing <xuyiping@...ilicon.com>

memset in of_build_overlay_info is redundant, the ovinfo has been
zeroed in of_fill_overlay_info when error.

Signed-off-by: YiPing Xu <xuyiping@...ilicon.com>
---
 drivers/of/overlay.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c
index 0d4cda7..4b1b6b3 100644
--- a/drivers/of/overlay.c
+++ b/drivers/of/overlay.c
@@ -314,7 +314,6 @@ static int of_build_overlay_info(struct of_overlay *ov,
 
 	cnt = 0;
 	for_each_child_of_node(tree, node) {
-		memset(&ovinfo[cnt], 0, sizeof(*ovinfo));
 		err = of_fill_overlay_info(ov, node, &ovinfo[cnt]);
 		if (err == 0)
 			cnt++;
-- 
1.9.1