Remove unnecessary parentheses in if statements across the driver.

Signed-off-by: Gilad Ben-Yossef <gi...@benyossef.com>
---
 drivers/staging/ccree/ssi_aead.c       | 36 +++++++++++++++++-----------------
 drivers/staging/ccree/ssi_buffer_mgr.c | 28 +++++++++++++-------------
 drivers/staging/ccree/ssi_cipher.c     | 34 ++++++++++++++++----------------
 drivers/staging/ccree/ssi_hash.c       | 16 +++++++--------
 drivers/staging/ccree/ssi_ivgen.c      |  4 ++--
 5 files changed, 59 insertions(+), 59 deletions(-)

diff --git a/drivers/staging/ccree/ssi_aead.c b/drivers/staging/ccree/ssi_aead.c
index 9e24783..7abc352 100644
--- a/drivers/staging/ccree/ssi_aead.c
+++ b/drivers/staging/ccree/ssi_aead.c
@@ -391,9 +391,9 @@ static int validate_keys_sizes(struct ssi_aead_ctx *ctx)
        case DRV_HASH_SHA256:
                break;
        case DRV_HASH_XCBC_MAC:
-               if ((ctx->auth_keylen != AES_KEYSIZE_128) &&
-                   (ctx->auth_keylen != AES_KEYSIZE_192) &&
-                   (ctx->auth_keylen != AES_KEYSIZE_256))
+               if (ctx->auth_keylen != AES_KEYSIZE_128 &&
+                   ctx->auth_keylen != AES_KEYSIZE_192 &&
+                   ctx->auth_keylen != AES_KEYSIZE_256)
                        return -ENOTSUPP;
                break;
        case DRV_HASH_NULL: /* Not authenc (e.g., CCM) - no auth_key) */
@@ -412,9 +412,9 @@ static int validate_keys_sizes(struct ssi_aead_ctx *ctx)
                        return -EINVAL;
                }
        } else { /* Default assumed to be AES ciphers */
-               if ((ctx->enc_keylen != AES_KEYSIZE_128) &&
-                   (ctx->enc_keylen != AES_KEYSIZE_192) &&
-                   (ctx->enc_keylen != AES_KEYSIZE_256)) {
+               if (ctx->enc_keylen != AES_KEYSIZE_128 &&
+                   ctx->enc_keylen != AES_KEYSIZE_192 &&
+                   ctx->enc_keylen != AES_KEYSIZE_256) {
                        dev_err(dev, "Invalid cipher(AES) key size: %u\n",
                                ctx->enc_keylen);
                        return -EINVAL;
@@ -676,8 +676,8 @@ static int ssi_aead_setauthsize(
        struct device *dev = drvdata_to_dev(ctx->drvdata);
 
        /* Unsupported auth. sizes */
-       if ((authsize == 0) ||
-           (authsize > crypto_aead_maxauthsize(authenc))) {
+       if (authsize == 0 ||
+           authsize > crypto_aead_maxauthsize(authenc)) {
                return -ENOTSUPP;
        }
 
@@ -744,8 +744,8 @@ ssi_aead_create_assoc_desc(
                set_din_type(&desc[idx], DMA_DLLI, sg_dma_address(areq->src),
                             areq->assoclen, NS_BIT); set_flow_mode(&desc[idx],
                             flow_mode);
-               if ((ctx->auth_mode == DRV_HASH_XCBC_MAC) &&
-                   (areq_ctx->cryptlen > 0))
+               if (ctx->auth_mode == DRV_HASH_XCBC_MAC &&
+                   areq_ctx->cryptlen > 0)
                        set_din_not_last_indication(&desc[idx]);
                break;
        case SSI_DMA_BUF_MLLI:
@@ -754,8 +754,8 @@ ssi_aead_create_assoc_desc(
                set_din_type(&desc[idx], DMA_MLLI, areq_ctx->assoc.sram_addr,
                             areq_ctx->assoc.mlli_nents, NS_BIT);
                set_flow_mode(&desc[idx], flow_mode);
-               if ((ctx->auth_mode == DRV_HASH_XCBC_MAC) &&
-                   (areq_ctx->cryptlen > 0))
+               if (ctx->auth_mode == DRV_HASH_XCBC_MAC &&
+                   areq_ctx->cryptlen > 0)
                        set_din_not_last_indication(&desc[idx]);
                break;
        case SSI_DMA_BUF_NULL:
@@ -1192,8 +1192,8 @@ static inline void ssi_aead_load_mlli_to_sram(
        struct device *dev = drvdata_to_dev(ctx->drvdata);
 
        if (unlikely(
-               (req_ctx->assoc_buff_type == SSI_DMA_BUF_MLLI) ||
-               (req_ctx->data_buff_type == SSI_DMA_BUF_MLLI) ||
+               req_ctx->assoc_buff_type == SSI_DMA_BUF_MLLI ||
+               req_ctx->data_buff_type == SSI_DMA_BUF_MLLI ||
                !req_ctx->is_single_pass)) {
                dev_dbg(dev, "Copy-to-sram: mlli_dma=%08x, mlli_size=%u\n",
                        (unsigned int)ctx->drvdata->mlli_sram_addr,
@@ -1350,15 +1350,15 @@ static int validate_data_size(struct ssi_aead_ctx *ctx,
        unsigned int cipherlen = (direct == DRV_CRYPTO_DIRECTION_DECRYPT) ?
                        (req->cryptlen - ctx->authsize) : req->cryptlen;
 
-       if (unlikely((direct == DRV_CRYPTO_DIRECTION_DECRYPT) &&
-                    (req->cryptlen < ctx->authsize)))
+       if (unlikely(direct == DRV_CRYPTO_DIRECTION_DECRYPT &&
+                    req->cryptlen < ctx->authsize))
                goto data_size_err;
 
        areq_ctx->is_single_pass = true; /*defaulted to fast flow*/
 
        switch (ctx->flow_mode) {
        case S_DIN_to_AES:
-               if (unlikely((ctx->cipher_mode == DRV_CIPHER_CBC) &&
+               if (unlikely(ctx->cipher_mode == DRV_CIPHER_CBC &&
                             !IS_ALIGNED(cipherlen, AES_BLOCK_SIZE)))
                        goto data_size_err;
                if (ctx->cipher_mode == DRV_CIPHER_CCM)
@@ -1372,7 +1372,7 @@ static int validate_data_size(struct ssi_aead_ctx *ctx,
                if (!IS_ALIGNED(assoclen, sizeof(u32)))
                        areq_ctx->is_single_pass = false;
 
-               if ((ctx->cipher_mode == DRV_CIPHER_CTR) &&
+               if (ctx->cipher_mode == DRV_CIPHER_CTR &&
                    !IS_ALIGNED(cipherlen, sizeof(u32)))
                        areq_ctx->is_single_pass = false;
 
diff --git a/drivers/staging/ccree/ssi_buffer_mgr.c 
b/drivers/staging/ccree/ssi_buffer_mgr.c
index bfabb5b..923a0df 100644
--- a/drivers/staging/ccree/ssi_buffer_mgr.c
+++ b/drivers/staging/ccree/ssi_buffer_mgr.c
@@ -576,7 +576,7 @@ int cc_map_blkcipher_request(
                if (mapped_nents > 1)
                        req_ctx->dma_buf_type = SSI_DMA_BUF_MLLI;
 
-               if (unlikely((req_ctx->dma_buf_type == SSI_DMA_BUF_MLLI))) {
+               if (unlikely(req_ctx->dma_buf_type == SSI_DMA_BUF_MLLI)) {
                        cc_add_sg_entry(dev, &sg_data, req_ctx->in_nents, src,
                                        nbytes, 0, true,
                                        &req_ctx->in_mlli_nents);
@@ -689,7 +689,7 @@ void cc_unmap_aead_request(struct device *dev, struct 
aead_request *req)
                             DMA_BIDIRECTIONAL);
        }
        if (drvdata->coherent &&
-           (areq_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT) &&
+           areq_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT &&
            likely(req->src == req->dst)) {
 
                /* copy back mac from temporary location to deal with possible
@@ -864,13 +864,13 @@ static inline int cc_aead_chain_assoc(
        }
 
        if (likely(mapped_nents == 1) &&
-           (areq_ctx->ccm_hdr_size == ccm_header_size_null))
+           areq_ctx->ccm_hdr_size == ccm_header_size_null)
                areq_ctx->assoc_buff_type = SSI_DMA_BUF_DLLI;
        else
                areq_ctx->assoc_buff_type = SSI_DMA_BUF_MLLI;
 
        if (unlikely((do_chain) ||
-                    (areq_ctx->assoc_buff_type == SSI_DMA_BUF_MLLI))) {
+                    areq_ctx->assoc_buff_type == SSI_DMA_BUF_MLLI)) {
                dev_dbg(dev, "Chain assoc: buff_type=%s nents=%u\n",
                        GET_DMA_BUFFER_TYPE(areq_ctx->assoc_buff_type),
                        areq_ctx->assoc.nents);
@@ -1155,8 +1155,8 @@ static inline int cc_aead_chain_data(
        }
        areq_ctx->dst.nents = dst_mapped_nents;
        areq_ctx->dst_offset = offset;
-       if ((src_mapped_nents > 1) ||
-           (dst_mapped_nents  > 1) ||
+       if (src_mapped_nents > 1 ||
+           dst_mapped_nents  > 1 ||
            do_chain) {
                areq_ctx->data_buff_type = SSI_DMA_BUF_MLLI;
                rc = cc_prepare_aead_data_mlli(drvdata, req, sg_data,
@@ -1247,7 +1247,7 @@ int cc_map_aead_request(
         * data memory overriding that caused by cache coherence problem.
         */
        if (drvdata->coherent &&
-           (areq_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT) &&
+           areq_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT &&
            likely(req->src == req->dst))
                cc_copy_mac(dev, req, SSI_SG_TO_BUF);
 
@@ -1408,8 +1408,8 @@ int cc_map_aead_request(
 
        /* Mlli support -start building the MLLI according to the above results 
*/
        if (unlikely(
-               (areq_ctx->assoc_buff_type == SSI_DMA_BUF_MLLI) ||
-               (areq_ctx->data_buff_type == SSI_DMA_BUF_MLLI))) {
+               areq_ctx->assoc_buff_type == SSI_DMA_BUF_MLLI ||
+               areq_ctx->data_buff_type == SSI_DMA_BUF_MLLI)) {
                mlli_params->curr_pool = buff_mgr->mlli_buffs_pool;
                rc = cc_generate_mlli(dev, &sg_data, mlli_params);
                if (unlikely(rc))
@@ -1466,15 +1466,15 @@ int cc_map_hash_request_final(struct ssi_drvdata 
*drvdata, void *ctx,
                }
        }
 
-       if (src && (nbytes > 0) && do_update) {
+       if (src && nbytes > 0 && do_update) {
                if (unlikely(cc_map_sg(dev, src, nbytes, DMA_TO_DEVICE,
                                       &areq_ctx->in_nents,
                                       LLI_MAX_NUM_OF_DATA_ENTRIES,
                                       &dummy, &mapped_nents))) {
                        goto unmap_curr_buff;
                }
-               if (src && (mapped_nents == 1)
-                    && (areq_ctx->data_dma_buf_type == SSI_DMA_BUF_NULL)) {
+               if (src && mapped_nents == 1
+                    && areq_ctx->data_dma_buf_type == SSI_DMA_BUF_NULL) {
                        memcpy(areq_ctx->buff_sg, src,
                               sizeof(struct scatterlist));
                        areq_ctx->buff_sg->length = nbytes;
@@ -1590,8 +1590,8 @@ int cc_map_hash_request_update(struct ssi_drvdata 
*drvdata, void *ctx,
                                       &mapped_nents))) {
                        goto unmap_curr_buff;
                }
-               if ((mapped_nents == 1)
-                    && (areq_ctx->data_dma_buf_type == SSI_DMA_BUF_NULL)) {
+               if (mapped_nents == 1
+                    && areq_ctx->data_dma_buf_type == SSI_DMA_BUF_NULL) {
                        /* only one entry in the SG and no previous data */
                        memcpy(areq_ctx->buff_sg, src,
                               sizeof(struct scatterlist));
diff --git a/drivers/staging/ccree/ssi_cipher.c 
b/drivers/staging/ccree/ssi_cipher.c
index b5bb97c..957138a 100644
--- a/drivers/staging/ccree/ssi_cipher.c
+++ b/drivers/staging/ccree/ssi_cipher.c
@@ -76,18 +76,18 @@ static int validate_keys_sizes(struct ssi_ablkcipher_ctx 
*ctx_p, u32 size)
                switch (size) {
                case CC_AES_128_BIT_KEY_SIZE:
                case CC_AES_192_BIT_KEY_SIZE:
-                       if (likely((ctx_p->cipher_mode != DRV_CIPHER_XTS) &&
-                                  (ctx_p->cipher_mode != DRV_CIPHER_ESSIV) &&
-                                  (ctx_p->cipher_mode != 
DRV_CIPHER_BITLOCKER)))
+                       if (likely(ctx_p->cipher_mode != DRV_CIPHER_XTS &&
+                                  ctx_p->cipher_mode != DRV_CIPHER_ESSIV &&
+                                  ctx_p->cipher_mode != DRV_CIPHER_BITLOCKER))
                                return 0;
                        break;
                case CC_AES_256_BIT_KEY_SIZE:
                        return 0;
                case (CC_AES_192_BIT_KEY_SIZE * 2):
                case (CC_AES_256_BIT_KEY_SIZE * 2):
-                       if (likely((ctx_p->cipher_mode == DRV_CIPHER_XTS) ||
-                                  (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) ||
-                                  (ctx_p->cipher_mode == 
DRV_CIPHER_BITLOCKER)))
+                       if (likely(ctx_p->cipher_mode == DRV_CIPHER_XTS ||
+                                  ctx_p->cipher_mode == DRV_CIPHER_ESSIV ||
+                                  ctx_p->cipher_mode == DRV_CIPHER_BITLOCKER))
                                return 0;
                        break;
                default:
@@ -115,8 +115,8 @@ static int validate_data_size(struct ssi_ablkcipher_ctx 
*ctx_p, unsigned int siz
        case S_DIN_to_AES:
                switch (ctx_p->cipher_mode) {
                case DRV_CIPHER_XTS:
-                       if ((size >= SSI_MIN_AES_XTS_SIZE) &&
-                           (size <= SSI_MAX_AES_XTS_SIZE) &&
+                       if (size >= SSI_MIN_AES_XTS_SIZE &&
+                           size <= SSI_MAX_AES_XTS_SIZE &&
                            IS_ALIGNED(size, AES_BLOCK_SIZE))
                                return 0;
                        break;
@@ -333,9 +333,9 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm,
                        return -EINVAL;
                }
 
-               if ((ctx_p->cipher_mode == DRV_CIPHER_XTS) ||
-                   (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) ||
-                   (ctx_p->cipher_mode == DRV_CIPHER_BITLOCKER)) {
+               if (ctx_p->cipher_mode == DRV_CIPHER_XTS ||
+                   ctx_p->cipher_mode == DRV_CIPHER_ESSIV ||
+                   ctx_p->cipher_mode == DRV_CIPHER_BITLOCKER) {
                        if (unlikely(hki->hw_key1 == hki->hw_key2)) {
                                dev_err(dev, "Illegal hw key numbers (%d,%d)\n",
                                        hki->hw_key1, hki->hw_key2);
@@ -364,13 +364,13 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm,
                        return -EINVAL;
                }
        }
-       if ((ctx_p->cipher_mode == DRV_CIPHER_XTS) &&
+       if (ctx_p->cipher_mode == DRV_CIPHER_XTS &&
            xts_check_key(tfm, key, keylen)) {
                dev_dbg(dev, "weak XTS key");
                return -EINVAL;
        }
-       if ((ctx_p->flow_mode == S_DIN_to_DES) &&
-           (keylen == DES3_EDE_KEY_SIZE) &&
+       if (ctx_p->flow_mode == S_DIN_to_DES &&
+           keylen == DES3_EDE_KEY_SIZE &&
            ssi_verify_3des_keys(key, keylen)) {
                dev_dbg(dev, "weak 3DES key");
                return -EINVAL;
@@ -456,8 +456,8 @@ ssi_blkcipher_create_setup_desc(
                set_cipher_config0(&desc[*seq_size], direction);
                set_flow_mode(&desc[*seq_size], flow_mode);
                set_cipher_mode(&desc[*seq_size], cipher_mode);
-               if ((cipher_mode == DRV_CIPHER_CTR) ||
-                   (cipher_mode == DRV_CIPHER_OFB)) {
+               if (cipher_mode == DRV_CIPHER_CTR ||
+                   cipher_mode == DRV_CIPHER_OFB) {
                        set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1);
                } else {
                        set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE0);
@@ -765,7 +765,7 @@ static int ssi_blkcipher_process(
        memcpy(req_ctx->iv, info, ivsize);
 
        /*For CTS in case of data size aligned to 16 use CBC mode*/
-       if (((nbytes % AES_BLOCK_SIZE) == 0) && (ctx_p->cipher_mode == 
DRV_CIPHER_CBC_CTS)) {
+       if (((nbytes % AES_BLOCK_SIZE) == 0) && ctx_p->cipher_mode == 
DRV_CIPHER_CBC_CTS) {
                ctx_p->cipher_mode = DRV_CIPHER_CBC;
                cts_restore_flag = 1;
        }
diff --git a/drivers/staging/ccree/ssi_hash.c b/drivers/staging/ccree/ssi_hash.c
index 6687027..1fda84d 100644
--- a/drivers/staging/ccree/ssi_hash.c
+++ b/drivers/staging/ccree/ssi_hash.c
@@ -116,9 +116,9 @@ static void ssi_hash_create_data_desc(
 
 static inline void ssi_set_hash_endianity(u32 mode, struct cc_hw_desc *desc)
 {
-       if (unlikely((mode == DRV_HASH_MD5) ||
-                    (mode == DRV_HASH_SHA384) ||
-                    (mode == DRV_HASH_SHA512))) {
+       if (unlikely(mode == DRV_HASH_MD5 ||
+                    mode == DRV_HASH_SHA384 ||
+                    mode == DRV_HASH_SHA512)) {
                set_bytes_swap(desc, 1);
        } else {
                set_cipher_config0(desc, HASH_DIGEST_RESULT_LITTLE_ENDIAN);
@@ -204,12 +204,12 @@ static int ssi_hash_map_request(struct device *dev,
 
        if (is_hmac) {
                dma_sync_single_for_cpu(dev, ctx->digest_buff_dma_addr, 
ctx->inter_digestsize, DMA_BIDIRECTIONAL);
-               if ((ctx->hw_mode == DRV_CIPHER_XCBC_MAC) || (ctx->hw_mode == 
DRV_CIPHER_CMAC)) {
+               if (ctx->hw_mode == DRV_CIPHER_XCBC_MAC || ctx->hw_mode == 
DRV_CIPHER_CMAC) {
                        memset(state->digest_buff, 0, ctx->inter_digestsize);
                } else { /*sha*/
                        memcpy(state->digest_buff, ctx->digest_buff, 
ctx->inter_digestsize);
 #if (DX_DEV_SHA_MAX > 256)
-                       if (unlikely((ctx->hash_mode == DRV_HASH_SHA512) || 
(ctx->hash_mode == DRV_HASH_SHA384)))
+                       if (unlikely(ctx->hash_mode == DRV_HASH_SHA512 || 
ctx->hash_mode == DRV_HASH_SHA384))
                                memcpy(state->digest_bytes_len, 
digest_len_sha512_init, HASH_LEN_SIZE);
                        else
                                memcpy(state->digest_bytes_len, 
digest_len_init, HASH_LEN_SIZE);
@@ -1460,7 +1460,7 @@ static int ssi_mac_final(struct ahash_request *req)
        ssi_req.user_cb = (void *)ssi_hash_complete;
        ssi_req.user_arg = (void *)req;
 
-       if (state->xcbc_count && (rem_cnt == 0)) {
+       if (state->xcbc_count && rem_cnt == 0) {
                /* Load key for ECB decryption */
                hw_desc_init(&desc[idx]);
                set_cipher_mode(&desc[idx], DRV_CIPHER_ECB);
@@ -2288,8 +2288,8 @@ int ssi_hash_alloc(struct ssi_drvdata *drvdata)
                                      &hash_handle->hash_list);
                }
 
-               if ((hw_mode == DRV_CIPHER_XCBC_MAC) ||
-                   (hw_mode == DRV_CIPHER_CMAC))
+               if (hw_mode == DRV_CIPHER_XCBC_MAC ||
+                   hw_mode == DRV_CIPHER_CMAC)
                        continue;
 
                /* register hash version */
diff --git a/drivers/staging/ccree/ssi_ivgen.c 
b/drivers/staging/ccree/ssi_ivgen.c
index 2f9201e..7171796 100644
--- a/drivers/staging/ccree/ssi_ivgen.c
+++ b/drivers/staging/ccree/ssi_ivgen.c
@@ -248,8 +248,8 @@ int ssi_ivgen_getiv(
        struct device *dev = drvdata_to_dev(drvdata);
        unsigned int t;
 
-       if ((iv_out_size != CC_AES_IV_SIZE) &&
-           (iv_out_size != CTR_RFC3686_IV_SIZE)) {
+       if (iv_out_size != CC_AES_IV_SIZE &&
+           iv_out_size != CTR_RFC3686_IV_SIZE) {
                return -EINVAL;
        }
        if ((iv_out_dma_len + 1) > SSI_IVPOOL_SEQ_LEN) {
-- 
2.7.4

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