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crypto: amlogic - Use kmemdup in meson_aes_setkey()

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Use kmemdup rather than duplicating its implementation

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
YueHaibing 2019-10-29 01:55:23 +00:00 committed by Herbert Xu
parent 427e6e3ad9
commit d832a61285
1 changed files with 1 additions and 2 deletions
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3
drivers/crypto/amlogic/amlogic-gxl-cipher.c
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@ -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);
}