linux-kernel - [PATCH] pstore/zone: Remove unnecessary memset when using kcalloc()

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Date:   Fri, 15 Apr 2022 17:52:50 +0800
From:   Haowen Bai <baihaowen@...zu.com>
To:     Kees Cook <keescook@...omium.org>,
        Anton Vorontsov <anton@...msg.org>,
        Colin Cross <ccross@...roid.com>,
        Tony Luck <tony.luck@...el.com>
CC:     Haowen Bai <baihaowen@...zu.com>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] pstore/zone: Remove unnecessary memset when using kcalloc()

zones is allocated by kcalloc(). The memory is already set to
zero. It is unnecessary to call memset again.

Signed-off-by: Haowen Bai <baihaowen@...zu.com>
---
 fs/pstore/zone.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/pstore/zone.c b/fs/pstore/zone.c
index 7c8f8feac6c3..27ee216345a5 100644
--- a/fs/pstore/zone.c
+++ b/fs/pstore/zone.c
@@ -1215,7 +1215,6 @@ static struct pstore_zone **psz_init_zones(enum pstore_type_id type,
 		pr_err("allocate for zones %s failed\n", name);
 		return ERR_PTR(-ENOMEM);
 	}
-	memset(zones, 0, c * sizeof(*zones));
 
 	for (i = 0; i < c; i++) {
 		zone = psz_init_zone(type, off, record_size);
-- 
2.7.4