From: Thorsten Blum <thorsten.blum@toblux.com>
Date: Wed, 27 Mar 2024 22:25:09 +0000 (+0100)
Subject: crypto: jitter - Use kvfree_sensitive() to fix Coccinelle warning
X-Git-Tag: block-6.10-20240523~21^2~91
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=6e61ee1ca551292d8714c35c92a019c41db79e4e;p=linux-block.git

crypto: jitter - Use kvfree_sensitive() to fix Coccinelle warning

Replace memzero_explicit() and kvfree() with kvfree_sensitive() to fix
the following Coccinelle/coccicheck warning reported by
kfree_sensitive.cocci:

	WARNING opportunity for kfree_sensitive/kvfree_sensitive

Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/crypto/jitterentropy-kcapi.c b/crypto/jitterentropy-kcapi.c
index 76edbf8af0ac..c24d4ff2b4a8 100644
--- a/crypto/jitterentropy-kcapi.c
+++ b/crypto/jitterentropy-kcapi.c
@@ -61,8 +61,7 @@ void *jent_kvzalloc(unsigned int len)
 
 void jent_kvzfree(void *ptr, unsigned int len)
 {
-	memzero_explicit(ptr, len);
-	kvfree(ptr);
+	kvfree_sensitive(ptr, len);
 }
 
 void *jent_zalloc(unsigned int len)