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Commit 276a2ff1 authored by LABBE Corentin's avatar LABBE Corentin Committed by Herbert Xu
Browse files

crypto: hifn_795x - remove the hifn_test function 



The hifn_test function is redundant with test done at register time by
the crypto API, so remove it.

Signed-off-by: default avatarLABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent b0c8bc1b

drivers/crypto/hifn_795x.c

+0 −58
Original line number Diff line number Diff line
@@ -1640,60 +1640,6 @@ static int hifn_setup_session(struct ablkcipher_request *req) 
	return err;

}



static int hifn_test(struct hifn_device *dev, int encdec, u8 snum)

{

	int n, err;

	u8 src[16];

	struct hifn_context ctx;

	struct hifn_request_context rctx;

	u8 fips_aes_ecb_from_zero[16] = {

		0x66, 0xE9, 0x4B, 0xD4,

		0xEF, 0x8A, 0x2C, 0x3B,

		0x88, 0x4C, 0xFA, 0x59,

		0xCA, 0x34, 0x2B, 0x2E};

	struct scatterlist sg;



	memset(src, 0, sizeof(src));

	memset(ctx.key, 0, sizeof(ctx.key));



	ctx.dev = dev;

	ctx.keysize = 16;

	rctx.ivsize = 0;

	rctx.iv = NULL;

	rctx.op = (encdec)?ACRYPTO_OP_ENCRYPT:ACRYPTO_OP_DECRYPT;

	rctx.mode = ACRYPTO_MODE_ECB;

	rctx.type = ACRYPTO_TYPE_AES_128;

	rctx.walk.cache[0].length = 0;



	sg_init_one(&sg, &src, sizeof(src));



	err = hifn_setup_dma(dev, &ctx, &rctx, &sg, &sg, sizeof(src), NULL);

	if (err)

		goto err_out;



	dev->started = 0;

	msleep(200);



	dprintk("%s: decoded: ", dev->name);

	for (n=0; n<sizeof(src); ++n)

		dprintk("%02x ", src[n]);

	dprintk("\n");

	dprintk("%s: FIPS   : ", dev->name);

	for (n=0; n<sizeof(fips_aes_ecb_from_zero); ++n)

		dprintk("%02x ", fips_aes_ecb_from_zero[n]);

	dprintk("\n");



	if (!memcmp(src, fips_aes_ecb_from_zero, sizeof(fips_aes_ecb_from_zero))) {

		printk(KERN_INFO "%s: AES 128 ECB test has been successfully "

				"passed.\n", dev->name);

		return 0;

	}



err_out:

	printk(KERN_INFO "%s: AES 128 ECB test has been failed.\n", dev->name);

	return -1;

}



static int hifn_start_device(struct hifn_device *dev)

{

	int err;
@@ -2646,10 +2592,6 @@ static int hifn_probe(struct pci_dev *pdev, const struct pci_device_id *id) 
	if (err)

		goto err_out_free_irq;



	err = hifn_test(dev, 1, 0);

	if (err)

		goto err_out_stop_device;



	err = hifn_register_rng(dev);

	if (err)

		goto err_out_stop_device;