linux-crypto.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH -next] crypto: sun8i-ss - Fix memdup.cocci warnings
@ 2019-11-09  2:44 YueHaibing
  2019-11-12  7:03 ` Corentin Labbe
  2019-11-12  7:23 ` [PATCH v2 -next] crypto: sun8i-ce " YueHaibing
  0 siblings, 2 replies; 6+ messages in thread
From: YueHaibing @ 2019-11-09  2:44 UTC (permalink / raw)
  To: Corentin Labbe, Herbert Xu, Maxime Ripard, Chen-Yu Tsai
  Cc: YueHaibing, linux-crypto, linux-arm-kernel, linux-kernel,
	kernel-janitors

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(-)

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);




^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2019-11-22 11:10 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-11-09  2:44 [PATCH -next] crypto: sun8i-ss - Fix memdup.cocci warnings YueHaibing
2019-11-12  7:03 ` Corentin Labbe
2019-11-12  7:08   ` Yuehaibing
2019-11-12  7:23 ` [PATCH v2 -next] crypto: sun8i-ce " YueHaibing
2019-11-16 19:47   ` Corentin Labbe
2019-11-22 11:01   ` Herbert Xu

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).