linux-kernel - [PATCH v2 25/27] kernel: power: use kzalloc rather than kmalloc followed with memset

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Message-Id: <20190628025036.16135-1-huangfq.daxian@gmail.com>
Date:   Fri, 28 Jun 2019 10:50:35 +0800
From:   Fuqian Huang <huangfq.daxian@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Fuqian Huang <huangfq.daxian@...il.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 25/27] kernel: power: use kzalloc rather than kmalloc followed with memset

Use zeroing allocator instead of using allocator
followed with memset with 0

Signed-off-by: Fuqian Huang <huangfq.daxian@...il.com>
---
 kernel/power/swap.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index e1912ad13bdc..ca0fcb5ced71 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -974,12 +974,11 @@ static int get_swap_reader(struct swap_map_handle *handle,
 	last = handle->maps = NULL;
 	offset = swsusp_header->image;
 	while (offset) {
-		tmp = kmalloc(sizeof(*handle->maps), GFP_KERNEL);
+		tmp = kzalloc(sizeof(*handle->maps), GFP_KERNEL);
 		if (!tmp) {
 			release_swap_reader(handle);
 			return -ENOMEM;
 		}
-		memset(tmp, 0, sizeof(*tmp));
 		if (!handle->maps)
 			handle->maps = tmp;
 		if (last)
-- 
2.11.0