From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
The buffer allocated in qce_ahash_hmac_setkey is always freed before
returning to use __free() to automate it.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
---
drivers/crypto/qce/sha.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/crypto/qce/sha.c b/drivers/crypto/qce/sha.c
index fc72af8aa9a72..916908c04b635 100644
--- a/drivers/crypto/qce/sha.c
+++ b/drivers/crypto/qce/sha.c
@@ -3,6 +3,7 @@
* Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
*/
+#include <linux/cleanup.h>
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
@@ -336,7 +337,6 @@ static int qce_ahash_hmac_setkey(struct crypto_ahash *tfm, const u8 *key,
struct scatterlist sg;
unsigned int blocksize;
struct crypto_ahash *ahash_tfm;
- u8 *buf;
int ret;
const char *alg_name;
@@ -370,7 +370,8 @@ static int qce_ahash_hmac_setkey(struct crypto_ahash *tfm, const u8 *key,
crypto_req_done, &wait);
crypto_ahash_clear_flags(ahash_tfm, ~0);
- buf = kzalloc(keylen + QCE_MAX_ALIGN_SIZE, GFP_KERNEL);
+ u8 *buf __free(kfree) = kzalloc(keylen + QCE_MAX_ALIGN_SIZE,
+ GFP_KERNEL);
if (!buf) {
ret = -ENOMEM;
goto err_free_req;
@@ -382,7 +383,6 @@ static int qce_ahash_hmac_setkey(struct crypto_ahash *tfm, const u8 *key,
ret = crypto_wait_req(crypto_ahash_digest(req), &wait);
- kfree(buf);
err_free_req:
ahash_request_free(req);
err_free_ahash:
--
2.45.2
