Use kfree_sensitive() instead of open-coding it.
Signed-off-by: Denis Efremov <efremov@xxxxxxxxx>
---
drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c
index b4d5fea27d20..970084463dbb 100644
--- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c
+++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c
@@ -367,8 +367,7 @@ void sun8i_ce_cipher_exit(struct crypto_tfm *tfm)
struct sun8i_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);
pm_runtime_put_sync_suspend(op->ce->dev);
@@ -392,8 +391,7 @@ int sun8i_ce_aes_setkey(struct crypto_skcipher *tfm, const u8 *key,
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);
@@ -417,8 +415,7 @@ int sun8i_ce_des3_setkey(struct crypto_skcipher *tfm, const u8 *key,
return err;
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);
--
2.26.2
