linux-kernel - [PATCH] lib/scatterlist: Avoid a double memset

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Message-Id: <20200920071544.368841-1-christophe.jaillet@wanadoo.fr>
Date:   Sun, 20 Sep 2020 09:15:44 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     akpm@...ux-foundation.org, natechancellor@...il.com,
        geert+renesas@...der.be
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] lib/scatterlist: Avoid a double memset

'sgl' is zeroed a few lines below in 'sg_init_table()'. There is no need to
clear it twice.

Remove the redundant initialization.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 lib/scatterlist.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index 5d63a8857f36..d94628fa3349 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -504,7 +504,7 @@ struct scatterlist *sgl_alloc_order(unsigned long long length,
 		nalloc++;
 	}
 	sgl = kmalloc_array(nalloc, sizeof(struct scatterlist),
-			    (gfp & ~GFP_DMA) | __GFP_ZERO);
+			    gfp & ~GFP_DMA);
 	if (!sgl)
 		return NULL;
 
-- 
2.25.1