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Commit 89e27bd3 authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "crypto: qce - Remove VLA usage of skcipher"

parents 31a31256 49d1b9e0

drivers/crypto/qce/ablkcipher.c

+6 −7
Original line number Diff line number Diff line
@@ -189,7 +189,7 @@ static int qce_ablkcipher_setkey(struct crypto_ablkcipher *ablk, const u8 *key, 
	memcpy(ctx->enc_key, key, keylen);

	return 0;

fallback:

	ret = crypto_skcipher_setkey(ctx->fallback, key, keylen);

	ret = crypto_sync_skcipher_setkey(ctx->fallback, key, keylen);

	if (!ret)

		ctx->enc_keylen = keylen;

	return ret;
@@ -212,9 +212,9 @@ static int qce_ablkcipher_crypt(struct ablkcipher_request *req, int encrypt) 


	if (IS_AES(rctx->flags) && ctx->enc_keylen != AES_KEYSIZE_128 &&

	    ctx->enc_keylen != AES_KEYSIZE_256) {

		SKCIPHER_REQUEST_ON_STACK(subreq, ctx->fallback);

		SYNC_SKCIPHER_REQUEST_ON_STACK(subreq, ctx->fallback);



		skcipher_request_set_tfm(subreq, ctx->fallback);

		skcipher_request_set_sync_tfm(subreq, ctx->fallback);

		skcipher_request_set_callback(subreq, req->base.flags,

					      NULL, NULL);

		skcipher_request_set_crypt(subreq, req->src, req->dst,
@@ -245,9 +245,8 @@ static int qce_ablkcipher_init(struct crypto_tfm *tfm) 
	memset(ctx, 0, sizeof(*ctx));

	tfm->crt_ablkcipher.reqsize = sizeof(struct qce_cipher_reqctx);



	ctx->fallback = crypto_alloc_skcipher(crypto_tfm_alg_name(tfm), 0,

					      CRYPTO_ALG_ASYNC |

					      CRYPTO_ALG_NEED_FALLBACK);

	ctx->fallback = crypto_alloc_sync_skcipher(crypto_tfm_alg_name(tfm),

						   0, CRYPTO_ALG_NEED_FALLBACK);

	return PTR_ERR_OR_ZERO(ctx->fallback);

}
@@ -255,7 +254,7 @@ static void qce_ablkcipher_exit(struct crypto_tfm *tfm) 
{

	struct qce_cipher_ctx *ctx = crypto_tfm_ctx(tfm);



	crypto_free_skcipher(ctx->fallback);

	crypto_free_sync_skcipher(ctx->fallback);

}



struct qce_ablkcipher_def {

drivers/crypto/qce/cipher.h

+1 −1
Original line number Diff line number Diff line
@@ -22,7 +22,7 @@ 
struct qce_cipher_ctx {

	u8 enc_key[QCE_MAX_KEY_SIZE];

	unsigned int enc_keylen;

	struct crypto_skcipher *fallback;

	struct crypto_sync_skcipher *fallback;

};



/**