[PATCH] lib/digsig: remove redundant clean out1 when verifying RSA

From	Shawn Lin <shawn.lin@rock-chips.com>
Newsgroups	linux.kernel
Subject	[PATCH] lib/digsig: remove redundant clean out1 when verifying RSA
Date	2016-08-21 05:20 +0200
Message-ID	<s8rsJ-3lL-5@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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out1 is already set to zero when allocating by kzalloc, so
we could avoid this clean operation again.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
---

 lib/digsig.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lib/digsig.c b/lib/digsig.c
index 55b8b2f..d6a2aa4 100644
--- a/lib/digsig.c
+++ b/lib/digsig.c
@@ -156,7 +156,6 @@ static int digsig_verify_rsa(struct key *key,
 
 	len = mlen;
 	head = len - l;
-	memset(out1, 0, head);
 	memcpy(out1 + head, p, l);
 
 	kfree(p);
-- 
2.3.7

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[PATCH] lib/digsig: remove redundant clean out1 when verifying RSA Shawn Lin <shawn.lin@rock-chips.com> - 2016-08-21 05:20 +0200

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