From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Sat, 15 Mar 2025 08:20:16 +0000 (+0800)
Subject: crypto: padlock - Use zero page instead of stack buffer
X-Git-Tag: v6.15-rc1~118^2~36
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9cf792844d5da59403c1b36e68d65291676d935b;p=thirdparty%2Fkernel%2Flinux.git

crypto: padlock - Use zero page instead of stack buffer

Use desc instead of a stack buffer in the final function.  This
fixes a compiler warning about buf being uninitialised.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/padlock-sha.c b/drivers/crypto/padlock-sha.c
index 6865c7f1fc1a2..db9e84c0c9fb2 100644
--- a/drivers/crypto/padlock-sha.c
+++ b/drivers/crypto/padlock-sha.c
@@ -125,7 +125,7 @@ out:
 
 static int padlock_sha1_final(struct shash_desc *desc, u8 *out)
 {
-	u8 buf[4];
+	const u8 *buf = (void *)desc;
 
 	return padlock_sha1_finup(desc, buf, 0, out);
 }
@@ -186,7 +186,7 @@ out:
 
 static int padlock_sha256_final(struct shash_desc *desc, u8 *out)
 {
-	u8 buf[4];
+	const u8 *buf = (void *)desc;
 
 	return padlock_sha256_finup(desc, buf, 0, out);
 }