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crypto: ccp - Updates for checkpatch warnings/errors

Browse Source 
Changes to address warnings and errors reported by the checkpatch
script.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tom Lendacky 2015-02-03 13:07:05 -06:00 committed by Herbert Xu
parent 2ecc1e95ec
commit 8db8846754
11 changed files with 36 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/crypto/ccp/ccp-crypto-aes-cmac.c
View File

@ -23,7 +23,6 @@
#include "ccp-crypto.h"
static int ccp_aes_cmac_complete(struct crypto_async_request *async_req,
int ret)
{
@ -38,11 +37,13 @@ static int ccp_aes_cmac_complete(struct crypto_async_request *async_req,
if (rctx->hash_rem) {
/* Save remaining data to buffer */
unsigned int offset = rctx->nbytes - rctx->hash_rem;
scatterwalk_map_and_copy(rctx->buf, rctx->src,
offset, rctx->hash_rem, 0);
rctx->buf_count = rctx->hash_rem;
} else
} else {
rctx->buf_count = 0;
}
/* Update result area if supplied */
if (req->result)
@ -202,7 +203,7 @@ static int ccp_aes_cmac_digest(struct ahash_request *req)
}
static int ccp_aes_cmac_setkey(struct crypto_ahash *tfm, const u8 *key,
unsigned int key_len)
unsigned int key_len)
{
struct ccp_ctx *ctx = crypto_tfm_ctx(crypto_ahash_tfm(tfm));
struct ccp_crypto_ahash_alg *alg =
@ -292,7 +293,8 @@ static int ccp_aes_cmac_cra_init(struct crypto_tfm *tfm)
crypto_ahash_set_reqsize(ahash, sizeof(struct ccp_aes_cmac_req_ctx));
cipher_tfm = crypto_alloc_cipher("aes", 0,
CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK);
CRYPTO_ALG_ASYNC |
CRYPTO_ALG_NEED_FALLBACK);
if (IS_ERR(cipher_tfm)) {
pr_warn("could not load aes cipher driver\n");
return PTR_ERR(cipher_tfm);
@ -354,7 +356,7 @@ int ccp_register_aes_cmac_algs(struct list_head *head)
ret = crypto_register_ahash(alg);
if (ret) {
pr_err("%s ahash algorithm registration error (%d)\n",
base->cra_name, ret);
base->cra_name, ret);
kfree(ccp_alg);
return ret;
}

4
drivers/crypto/ccp/ccp-crypto-aes-xts.c
View File

@ -21,7 +21,6 @@
#include "ccp-crypto.h"
struct ccp_aes_xts_def {
const char *name;
const char *drv_name;
@ -216,7 +215,6 @@ static void ccp_aes_xts_cra_exit(struct crypto_tfm *tfm)
ctx->u.aes.tfm_ablkcipher = NULL;
}
static int ccp_register_aes_xts_alg(struct list_head *head,
const struct ccp_aes_xts_def *def)
{
@ -255,7 +253,7 @@ static int ccp_register_aes_xts_alg(struct list_head *head,
ret = crypto_register_alg(alg);
if (ret) {
pr_err("%s ablkcipher algorithm registration error (%d)\n",
alg->cra_name, ret);
alg->cra_name, ret);
kfree(ccp_alg);
return ret;
}

3
drivers/crypto/ccp/ccp-crypto-aes.c
View File

@ -22,7 +22,6 @@
#include "ccp-crypto.h"
static int ccp_aes_complete(struct crypto_async_request *async_req, int ret)
{
struct ablkcipher_request *req = ablkcipher_request_cast(async_req);
@ -345,7 +344,7 @@ static int ccp_register_aes_alg(struct list_head *head,
ret = crypto_register_alg(alg);
if (ret) {
pr_err("%s ablkcipher algorithm registration error (%d)\n",
alg->cra_name, ret);
alg->cra_name, ret);
kfree(ccp_alg);
return ret;
}

5
drivers/crypto/ccp/ccp-crypto-main.c
View File

@ -33,7 +33,6 @@ static unsigned int sha_disable;
module_param(sha_disable, uint, 0444);
MODULE_PARM_DESC(sha_disable, "Disable use of SHA - any non-zero value");
/* List heads for the supported algorithms */
static LIST_HEAD(hash_algs);
static LIST_HEAD(cipher_algs);
@ -48,6 +47,7 @@ struct ccp_crypto_queue {
struct list_head *backlog;
unsigned int cmd_count;
};
#define CCP_CRYPTO_MAX_QLEN 100
static struct ccp_crypto_queue req_queue;
@ -77,7 +77,6 @@ struct ccp_crypto_cpu {
int err;
};
static inline bool ccp_crypto_success(int err)
{
if (err && (err != -EINPROGRESS) && (err != -EBUSY))
@ -143,7 +142,7 @@ static void ccp_crypto_complete(void *data, int err)
int ret;
if (err == -EINPROGRESS) {
/* Only propogate the -EINPROGRESS if necessary */
/* Only propagate the -EINPROGRESS if necessary */
if (crypto_cmd->ret == -EBUSY) {
crypto_cmd->ret = -EINPROGRESS;
req->complete(req, -EINPROGRESS);

12
drivers/crypto/ccp/ccp-crypto-sha.c
View File

@ -23,7 +23,6 @@
#include "ccp-crypto.h"
static int ccp_sha_complete(struct crypto_async_request *async_req, int ret)
{
struct ahash_request *req = ahash_request_cast(async_req);
@ -37,11 +36,13 @@ static int ccp_sha_complete(struct crypto_async_request *async_req, int ret)
if (rctx->hash_rem) {
/* Save remaining data to buffer */
unsigned int offset = rctx->nbytes - rctx->hash_rem;
scatterwalk_map_and_copy(rctx->buf, rctx->src,
offset, rctx->hash_rem, 0);
rctx->buf_count = rctx->hash_rem;
} else
} else {
rctx->buf_count = 0;
}
/* Update result area if supplied */
if (req->result)
@ -227,8 +228,9 @@ static int ccp_sha_setkey(struct crypto_ahash *tfm, const u8 *key,
}
key_len = digest_size;
} else
} else {
memcpy(ctx->u.sha.key, key, key_len);
}
for (i = 0; i < block_size; i++) {
ctx->u.sha.ipad[i] = ctx->u.sha.key[i] ^ 0x36;
@ -355,7 +357,7 @@ static int ccp_register_hmac_alg(struct list_head *head,
ret = crypto_register_ahash(alg);
if (ret) {
pr_err("%s ahash algorithm registration error (%d)\n",
base->cra_name, ret);
base->cra_name, ret);
kfree(ccp_alg);
return ret;
}
@ -410,7 +412,7 @@ static int ccp_register_sha_alg(struct list_head *head,
ret = crypto_register_ahash(alg);
if (ret) {
pr_err("%s ahash algorithm registration error (%d)\n",
base->cra_name, ret);
base->cra_name, ret);
kfree(ccp_alg);
return ret;
}

3
drivers/crypto/ccp/ccp-crypto.h
View File

@ -13,7 +13,6 @@
#ifndef __CCP_CRYPTO_H__
#define __CCP_CRYPTO_H__
#include <linux/list.h>
#include <linux/wait.h>
#include <linux/pci.h>
@ -25,7 +24,6 @@
#include <crypto/hash.h>
#include <crypto/sha.h>
#define CCP_CRA_PRIORITY 300
struct ccp_crypto_ablkcipher_alg {
@ -68,7 +66,6 @@ static inline struct ccp_crypto_ahash_alg *
return container_of(ahash_alg, struct ccp_crypto_ahash_alg, alg);
}
/***** AES related defines *****/
struct ccp_aes_ctx {
/* Fallback cipher for XTS with unsupported unit sizes */

5
drivers/crypto/ccp/ccp-dev.c
View File

@ -37,7 +37,6 @@ struct ccp_tasklet_data {
struct ccp_cmd *cmd;
};
static struct ccp_device *ccp_dev;
static inline struct ccp_device *ccp_get_device(void)
{
@ -297,10 +296,8 @@ struct ccp_device *ccp_alloc_struct(struct device *dev)
struct ccp_device *ccp;
ccp = kzalloc(sizeof(*ccp), GFP_KERNEL);
if (ccp == NULL) {
dev_err(dev, "unable to allocate device struct\n");
if (!ccp)
return NULL;
}
ccp->dev = dev;
INIT_LIST_HEAD(&ccp->cmd);

12
drivers/crypto/ccp/ccp-dev.h
View File

@ -21,7 +21,7 @@
#include <linux/wait.h>
#include <linux/dmapool.h>
#include <linux/hw_random.h>
#include <linux/bitops.h>
#define MAX_DMAPOOL_NAME_LEN 32
@ -33,7 +33,6 @@
#define CACHE_NONE 0x00
#define CACHE_WB_NO_ALLOC 0xb7
/****** Register Mappings ******/
#define Q_MASK_REG 0x000
#define TRNG_OUT_REG 0x00c
@ -54,8 +53,8 @@
#define CMD_Q_CACHE_BASE 0x228
#define CMD_Q_CACHE_INC 0x20
#define CMD_Q_ERROR(__qs) ((__qs) & 0x0000003f);
#define CMD_Q_DEPTH(__qs) (((__qs) >> 12) & 0x0000000f);
#define CMD_Q_ERROR(__qs) ((__qs) & 0x0000003f)
#define CMD_Q_DEPTH(__qs) (((__qs) >> 12) & 0x0000000f)
/****** REQ0 Related Values ******/
#define REQ0_WAIT_FOR_WRITE 0x00000004
@ -103,7 +102,6 @@
/****** REQ6 Related Values ******/
#define REQ6_MEMTYPE_SHIFT 16
/****** Key Storage Block ******/
#define KSB_START 77
#define KSB_END 127
@ -114,7 +112,7 @@
#define CCP_JOBID_MASK 0x0000003f
#define CCP_DMAPOOL_MAX_SIZE 64
#define CCP_DMAPOOL_ALIGN (1 << 5)
#define CCP_DMAPOOL_ALIGN BIT(5)
#define CCP_REVERSE_BUF_SIZE 64
@ -142,7 +140,6 @@
#define CCP_ECC_RESULT_OFFSET 60
#define CCP_ECC_RESULT_SUCCESS 0x0001
struct ccp_device;
struct ccp_cmd;
@ -261,7 +258,6 @@ struct ccp_device {
unsigned int axcache;
};
int ccp_pci_init(void);
void ccp_pci_exit(void);

24
drivers/crypto/ccp/ccp-ops.c
View File

@ -27,7 +27,6 @@
#include "ccp-dev.h"
enum ccp_memtype {
CCP_MEMTYPE_SYSTEM = 0,
CCP_MEMTYPE_KSB,
@ -515,7 +514,6 @@ static int ccp_init_sg_workarea(struct ccp_sg_workarea *wa, struct device *dev,
if (!wa->dma_count)
return -ENOMEM;
return 0;
}
@ -763,8 +761,9 @@ static void ccp_prepare_data(struct ccp_data *src, struct ccp_data *dst,
sg_dst_len = sg_dma_len(dst->sg_wa.sg) - dst->sg_wa.sg_used;
sg_dst_len = min_t(u64, src->sg_wa.bytes_left, sg_dst_len);
op_len = min(sg_src_len, sg_dst_len);
} else
} else {
op_len = sg_src_len;
}
/* The data operation length will be at least block_size in length
* or the smaller of available sg room remaining for the source or
@ -1131,9 +1130,9 @@ static int ccp_run_aes_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd)
if (ret)
goto e_ctx;
if (in_place)
if (in_place) {
dst = src;
else {
} else {
ret = ccp_init_data(&dst, cmd_q, aes->dst, aes->src_len,
AES_BLOCK_SIZE, DMA_FROM_DEVICE);
if (ret)
@ -1304,9 +1303,9 @@ static int ccp_run_xts_aes_cmd(struct ccp_cmd_queue *cmd_q,
if (ret)
goto e_ctx;
if (in_place)
if (in_place) {
dst = src;
else {
} else {
ret = ccp_init_data(&dst, cmd_q, xts->dst, xts->src_len,
unit_size, DMA_FROM_DEVICE);
if (ret)
@ -1451,8 +1450,9 @@ static int ccp_run_sha_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd)
goto e_ctx;
}
memcpy(ctx.address, init, CCP_SHA_CTXSIZE);
} else
} else {
ccp_set_dm_area(&ctx, 0, sha->ctx, 0, sha->ctx_len);
}
ret = ccp_copy_to_ksb(cmd_q, &ctx, op.jobid, op.ksb_ctx,
CCP_PASSTHRU_BYTESWAP_256BIT);
@ -1732,9 +1732,9 @@ static int ccp_run_passthru_cmd(struct ccp_cmd_queue *cmd_q,
if (ret)
goto e_mask;
if (in_place)
if (in_place) {
dst = src;
else {
} else {
ret = ccp_init_data(&dst, cmd_q, pt->dst, pt->src_len,
CCP_PASSTHRU_MASKSIZE, DMA_FROM_DEVICE);
if (ret)
@ -1974,7 +1974,7 @@ static int ccp_run_ecc_pm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd)
src.address += CCP_ECC_OPERAND_SIZE;
/* Set the first point Z coordianate to 1 */
*(src.address) = 0x01;
*src.address = 0x01;
src.address += CCP_ECC_OPERAND_SIZE;
if (ecc->function == CCP_ECC_FUNCTION_PADD_384BIT) {
@ -1989,7 +1989,7 @@ static int ccp_run_ecc_pm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd)
src.address += CCP_ECC_OPERAND_SIZE;
/* Set the second point Z coordianate to 1 */
*(src.address) = 0x01;
*src.address = 0x01;
src.address += CCP_ECC_OPERAND_SIZE;
} else {
/* Copy the Domain "a" parameter */

2
drivers/crypto/ccp/ccp-pci.c
View File

@ -204,7 +204,7 @@ static int ccp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
ret = -EIO;
ccp->io_map = pci_iomap(pdev, bar, 0);
if (ccp->io_map == NULL) {
if (!ccp->io_map) {
dev_err(dev, "pci_iomap failed\n");
goto e_device;
}

1
drivers/crypto/ccp/ccp-platform.c
View File

@ -26,7 +26,6 @@
#include "ccp-dev.h"
static int ccp_get_irq(struct ccp_device *ccp)
{
struct device *dev = ccp->dev;