From: Liao Yuanhong <liaoyuanhong@vivo.com>
Date: Mon, 11 Aug 2025 08:27:38 +0000 (+0800)
Subject: lib/digsig: remove unnecessary memset
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=ca78a04ce5c42b00addc063a7610a5ae12dafc39;p=users%2Fhch%2Fmisc.git

lib/digsig: remove unnecessary memset

kzalloc() has already been initialized to full 0 space, there is no need
to use memset() to initialize again.

Link: https://lkml.kernel.org/r/20250811082739.378284-1-liaoyuanhong@vivo.com
Signed-off-by: Liao Yuanhong <liaoyuanhong@vivo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/lib/digsig.c b/lib/digsig.c
index 04b5e55ed95f..2b36f9cc91e9 100644
--- a/lib/digsig.c
+++ b/lib/digsig.c
@@ -159,7 +159,6 @@ static int digsig_verify_rsa(struct key *key,
 
 	len = mlen;
 	head = len - l;
-	memset(out1, 0, head);
 	memcpy(out1 + head, p, l);
 
 	kfree(p);