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crypto: sun8i-ss - fix memdup.cocci warnings

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Use kmemdup rather than duplicating its implementation

Generated by: scripts/coccinelle/api/memdup.cocci

Fixes: f08fcced6d ("crypto: allwinner - Add sun8i-ss cryptographic offloader")
CC: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
kbuild test robot 2019-11-01 09:55:34 +01:00 committed by Herbert Xu
parent 09b6816437
commit 44eff4ad18
1 changed files with 2 additions and 4 deletions
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6
drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
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@ -398,10 +398,9 @@ int sun8i_ss_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);
@ -426,10 +425,9 @@ int sun8i_ss_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);