diff mbox series

[-next] crypto: sun8i-ss - Fix memdup.cocci warnings

Message ID 20191109024403.47106-1-yuehaibing@huawei.com (mailing list archive)
State Mainlined
Commit c7351845b2d685b3ea695f02047bd1b825fb6c98
Headers show
Series [-next] crypto: sun8i-ss - Fix memdup.cocci warnings | expand

Commit Message

Yue Haibing Nov. 9, 2019, 2:44 a.m. UTC
Use kmemdup rather than duplicating its implementation

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

Comments

Corentin Labbe Nov. 12, 2019, 7:03 a.m. UTC | #1
On Sat, Nov 09, 2019 at 02:44:03AM +0000, YueHaibing wrote:
> Use kmemdup rather than duplicating its implementation
> 
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> ---

Hello

Thanks but the patch was already sent by kbuild robot and merged.

Regards
Yue Haibing Nov. 12, 2019, 7:08 a.m. UTC | #2
On 2019/11/12 15:03, Corentin Labbe wrote:
> On Sat, Nov 09, 2019 at 02:44:03AM +0000, YueHaibing wrote:
>> Use kmemdup rather than duplicating its implementation
>>
>> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
>> ---
> 
> Hello
> 
> Thanks but the patch was already sent by kbuild robot and merged.

Sorry, this patch title should be "sun8i-ce" instead of "sun8i-ss",

kbuild robot indeed fix 'sun8i-ss' warning,  will resend v2.

> 
> Regards
> 
>
diff mbox series

Patch

diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c
index f0e7c1e12da6..b6e7c346c3ae 100644
--- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c
+++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c
@@ -396,10 +396,9 @@  int sun8i_ce_aes_setkey(struct crypto_skcipher *tfm, const u8 *key,
 		kfree(op->key);
 	}
 	op->keylen = keylen;
-	op->key = kmalloc(keylen, GFP_KERNEL | GFP_DMA);
+	op->key = kmemdup(key, keylen, GFP_KERNEL | GFP_DMA);
 	if (!op->key)
 		return -ENOMEM;
-	memcpy(op->key, key, keylen);
 
 	crypto_sync_skcipher_clear_flags(op->fallback_tfm, CRYPTO_TFM_REQ_MASK);
 	crypto_sync_skcipher_set_flags(op->fallback_tfm, tfm->base.crt_flags & CRYPTO_TFM_REQ_MASK);
@@ -422,10 +421,9 @@  int sun8i_ce_des3_setkey(struct crypto_skcipher *tfm, const u8 *key,
 		kfree(op->key);
 	}
 	op->keylen = keylen;
-	op->key = kmalloc(keylen, GFP_KERNEL | GFP_DMA);
+	op->key = kmemdup(key, keylen, GFP_KERNEL | GFP_DMA);
 	if (!op->key)
 		return -ENOMEM;
-	memcpy(op->key, key, keylen);
 
 	crypto_sync_skcipher_clear_flags(op->fallback_tfm, CRYPTO_TFM_REQ_MASK);
 	crypto_sync_skcipher_set_flags(op->fallback_tfm, tfm->base.crt_flags & CRYPTO_TFM_REQ_MASK);