linux-kernel - [PATCH v2 24/27] fs: jffs2: use kzalloc rather than kmalloc followed with memset

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Message-Id: <20190628025029.16081-1-huangfq.daxian@gmail.com>
Date:   Fri, 28 Jun 2019 10:50:28 +0800
From:   Fuqian Huang <huangfq.daxian@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Fuqian Huang <huangfq.daxian@...il.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Richard Weinberger <richard@....at>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 24/27] fs: jffs2: use kzalloc rather than kmalloc followed with memset

Use zero allocator rather than kmalloc followed with memset with 0.

Signed-off-by: Fuqian Huang <huangfq.daxian@...il.com>
---
 fs/jffs2/erase.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index 83b8f06b4a64..30c4385c6545 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -43,7 +43,7 @@ static void jffs2_erase_block(struct jffs2_sb_info *c,
 	jffs2_dbg(1, "%s(): erase block %#08x (range %#08x-%#08x)\n",
 		  __func__,
 		  jeb->offset, jeb->offset, jeb->offset + c->sector_size);
-	instr = kmalloc(sizeof(struct erase_info), GFP_KERNEL);
+	instr = kzalloc(sizeof(struct erase_info), GFP_KERNEL);
 	if (!instr) {
 		pr_warn("kmalloc for struct erase_info in jffs2_erase_block failed. Refiling block for later\n");
 		mutex_lock(&c->erase_free_sem);
@@ -57,8 +57,6 @@ static void jffs2_erase_block(struct jffs2_sb_info *c,
 		return;
 	}
 
-	memset(instr, 0, sizeof(*instr));
-
 	instr->addr = jeb->offset;
 	instr->len = c->sector_size;
 
-- 
2.11.0