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Subject[PATCH -next] crypto: amlogic - Use kmemdup in meson_aes_setkey()
Date
Use kmemdup rather than duplicating its implementation

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
drivers/crypto/amlogic/amlogic-gxl-cipher.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/crypto/amlogic/amlogic-gxl-cipher.c b/drivers/crypto/amlogic/amlogic-gxl-cipher.c
index e9283ffdbd23..78e776c58705 100644
--- a/drivers/crypto/amlogic/amlogic-gxl-cipher.c
+++ b/drivers/crypto/amlogic/amlogic-gxl-cipher.c
@@ -372,10 +372,9 @@ int meson_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);

return crypto_sync_skcipher_setkey(op->fallback_tfm, key, keylen);
}


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