crypto: amlogic - use kfree_sensitive()

Use kfree_sensitive() instead of open-coding it. Signed-off-by: Denis Efremov <efremov@linux.com> Tested-by: Corentin Labbe <clabbe@baylibre.com> Acked-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Freescale · Sep 4, 2020 · ba42fa7 · ba42fa7
1 parent 5705918
commit ba42fa7
Showing 1 changed file with 2 additions and 8 deletions.
diff --git a/drivers/crypto/amlogic/amlogic-gxl-cipher.c b/drivers/crypto/amlogic/amlogic-gxl-cipher.c
@@ -340,10 +340,7 @@ void meson_cipher_exit(struct crypto_tfm *tfm)
 {
 	struct meson_cipher_tfm_ctx *op = crypto_tfm_ctx(tfm);
 
-	if (op->key) {
-		memzero_explicit(op->key, op->keylen);
-		kfree(op->key);
-	}
+	kfree_sensitive(op->key);
 	crypto_free_skcipher(op->fallback_tfm);
 }
 
@@ -367,10 +364,7 @@ int meson_aes_setkey(struct crypto_skcipher *tfm, const u8 *key,
 		dev_dbg(mc->dev, "ERROR: Invalid keylen %u\n", keylen);
 		return -EINVAL;
 	}
-	if (op->key) {
-		memzero_explicit(op->key, op->keylen);
-		kfree(op->key);
-	}
+	kfree_sensitive(op->key);
 	op->keylen = keylen;
 	op->key = kmemdup(key, keylen, GFP_KERNEL | GFP_DMA);
 	if (!op->key)