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authorGeert Uytterhoeven <geert+renesas@glider.be>2020-02-11 19:18:58 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2020-02-22 09:25:43 +0800
commitf4274eeca476305a78f140e2e74bd07bd379a5da (patch)
treea85ae2e21ffc0d1b2b39fc79d1dffeacb049d281 /drivers/crypto/ccree/cc_hash.c
parentb83fd3e5ec284453561784491d877ceff950d1c6 (diff)
crypto: ccree - remove unneeded casts
Unneeded casts prevent the compiler from performing valuable checks. This is especially true for function pointers. Remove these casts, to prevent silently introducing bugs when a variable's type might be changed in the future. No change in generated code. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccree/cc_hash.c')
-rw-r--r--drivers/crypto/ccree/cc_hash.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/crypto/ccree/cc_hash.c b/drivers/crypto/ccree/cc_hash.c
index 912e5ce5079d..36ce015716c3 100644
--- a/drivers/crypto/ccree/cc_hash.c
+++ b/drivers/crypto/ccree/cc_hash.c
@@ -752,7 +752,7 @@ static int cc_hash_setkey(struct crypto_ahash *ahash, const u8 *key,
return -ENOMEM;
ctx->key_params.key_dma_addr =
- dma_map_single(dev, (void *)ctx->key_params.key, keylen,
+ dma_map_single(dev, ctx->key_params.key, keylen,
DMA_TO_DEVICE);
if (dma_mapping_error(dev, ctx->key_params.key_dma_addr)) {
dev_err(dev, "Mapping key va=0x%p len=%u for DMA failed\n",
@@ -1067,8 +1067,8 @@ static int cc_alloc_ctx(struct cc_hash_ctx *ctx)
ctx->key_params.keylen = 0;
ctx->digest_buff_dma_addr =
- dma_map_single(dev, (void *)ctx->digest_buff,
- sizeof(ctx->digest_buff), DMA_BIDIRECTIONAL);
+ dma_map_single(dev, ctx->digest_buff, sizeof(ctx->digest_buff),
+ DMA_BIDIRECTIONAL);
if (dma_mapping_error(dev, ctx->digest_buff_dma_addr)) {
dev_err(dev, "Mapping digest len %zu B at va=%pK for DMA failed\n",
sizeof(ctx->digest_buff), ctx->digest_buff);
@@ -1079,7 +1079,7 @@ static int cc_alloc_ctx(struct cc_hash_ctx *ctx)
&ctx->digest_buff_dma_addr);
ctx->opad_tmp_keys_dma_addr =
- dma_map_single(dev, (void *)ctx->opad_tmp_keys_buff,
+ dma_map_single(dev, ctx->opad_tmp_keys_buff,
sizeof(ctx->opad_tmp_keys_buff),
DMA_BIDIRECTIONAL);
if (dma_mapping_error(dev, ctx->opad_tmp_keys_dma_addr)) {
@@ -1196,8 +1196,8 @@ static int cc_mac_update(struct ahash_request *req)
idx++;
/* Setup request structure */
- cc_req.user_cb = (void *)cc_update_complete;
- cc_req.user_arg = (void *)req;
+ cc_req.user_cb = cc_update_complete;
+ cc_req.user_arg = req;
rc = cc_send_request(ctx->drvdata, &cc_req, desc, idx, &req->base);
if (rc != -EINPROGRESS && rc != -EBUSY) {
@@ -1254,8 +1254,8 @@ static int cc_mac_final(struct ahash_request *req)
}
/* Setup request structure */
- cc_req.user_cb = (void *)cc_hash_complete;
- cc_req.user_arg = (void *)req;
+ cc_req.user_cb = cc_hash_complete;
+ cc_req.user_arg = req;
if (state->xcbc_count && rem_cnt == 0) {
/* Load key for ECB decryption */
@@ -1369,8 +1369,8 @@ static int cc_mac_finup(struct ahash_request *req)
}
/* Setup request structure */
- cc_req.user_cb = (void *)cc_hash_complete;
- cc_req.user_arg = (void *)req;
+ cc_req.user_cb = cc_hash_complete;
+ cc_req.user_arg = req;
if (ctx->hw_mode == DRV_CIPHER_XCBC_MAC) {
key_len = CC_AES_128_BIT_KEY_SIZE;
@@ -1448,8 +1448,8 @@ static int cc_mac_digest(struct ahash_request *req)
}
/* Setup request structure */
- cc_req.user_cb = (void *)cc_digest_complete;
- cc_req.user_arg = (void *)req;
+ cc_req.user_cb = cc_digest_complete;
+ cc_req.user_arg = req;
if (ctx->hw_mode == DRV_CIPHER_XCBC_MAC) {
key_len = CC_AES_128_BIT_KEY_SIZE;