Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:

   - add AEAD support to crypto engine

   - allow batch registration in simd

  Algorithms:

   - add CFB mode

   - add speck block cipher

   - add sm4 block cipher

   - new test case for crct10dif

   - improve scheduling latency on ARM

   - scatter/gather support to gcm in aesni

   - convert x86 crypto algorithms to skcihper

  Drivers:

   - hmac(sha224/sha256) support in inside-secure

   - aes gcm/ccm support in stm32

   - stm32mp1 support in stm32

   - ccree driver from staging tree

   - gcm support over QI in caam

   - add ks-sa hwrng driver"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (212 commits)
  crypto: ccree - remove unused enums
  crypto: ahash - Fix early termination in hash walk
  crypto: brcm - explicitly cast cipher to hash type
  crypto: talitos - don't leak pointers to authenc keys
  crypto: qat - don't leak pointers to authenc keys
  crypto: picoxcell - don't leak pointers to authenc keys
  crypto: ixp4xx - don't leak pointers to authenc keys
  crypto: chelsio - don't leak pointers to authenc keys
  crypto: caam/qi - don't leak pointers to authenc keys
  crypto: caam - don't leak pointers to authenc keys
  crypto: lrw - Free rctx->ext with kzfree
  crypto: talitos - fix IPsec cipher in length
  crypto: Deduplicate le32_to_cpu_array() and cpu_to_le32_array()
  crypto: doc - clarify hash callbacks state machine
  crypto: api - Keep failed instances alive
  crypto: api - Make crypto_alg_lookup static
  crypto: api - Remove unused crypto_type lookup function
  crypto: chelsio - Remove declaration of static function from header
  crypto: inside-secure - hmac(sha224) support
  crypto: inside-secure - hmac(sha256) support
  ..

1 files changed, 17 insertions, 17 deletions

diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
index 5d64c08..bf71630 100644
--- a/drivers/crypto/s5p-sss.c
+++ b/drivers/crypto/s5p-sss.c
@@ -404,29 +404,31 @@ static const struct of_device_id s5p_sss_dt_match[] = {
 };
 MODULE_DEVICE_TABLE(of, s5p_sss_dt_match);
 
-static inline struct samsung_aes_variant *find_s5p_sss_version
-				   (struct platform_device *pdev)
+static inline const struct samsung_aes_variant *find_s5p_sss_version
+				   (const struct platform_device *pdev)
 {
 	if (IS_ENABLED(CONFIG_OF) && (pdev->dev.of_node)) {
 		const struct of_device_id *match;
 
 		match = of_match_node(s5p_sss_dt_match,
 					pdev->dev.of_node);
-		return (struct samsung_aes_variant *)match->data;
+		return (const struct samsung_aes_variant *)match->data;
 	}
-	return (struct samsung_aes_variant *)
+	return (const struct samsung_aes_variant *)
 			platform_get_device_id(pdev)->driver_data;
 }
 
 static struct s5p_aes_dev *s5p_dev;
 
-static void s5p_set_dma_indata(struct s5p_aes_dev *dev, struct scatterlist *sg)
+static void s5p_set_dma_indata(struct s5p_aes_dev *dev,
+			       const struct scatterlist *sg)
 {
 	SSS_WRITE(dev, FCBRDMAS, sg_dma_address(sg));
 	SSS_WRITE(dev, FCBRDMAL, sg_dma_len(sg));
 }
 
-static void s5p_set_dma_outdata(struct s5p_aes_dev *dev, struct scatterlist *sg)
+static void s5p_set_dma_outdata(struct s5p_aes_dev *dev,
+				const struct scatterlist *sg)
 {
 	SSS_WRITE(dev, FCBTDMAS, sg_dma_address(sg));
 	SSS_WRITE(dev, FCBTDMAL, sg_dma_len(sg));
@@ -619,7 +621,7 @@ static inline void s5p_hash_write(struct s5p_aes_dev *dd,
  * @sg:		scatterlist ready to DMA transmit
  */
 static void s5p_set_dma_hashdata(struct s5p_aes_dev *dev,
-				 struct scatterlist *sg)
+				 const struct scatterlist *sg)
 {
 	dev->hash_sg_cnt--;
 	SSS_WRITE(dev, FCHRDMAS, sg_dma_address(sg));
@@ -792,9 +794,9 @@ static void s5p_hash_read_msg(struct ahash_request *req)
  * @ctx:	request context
  */
 static void s5p_hash_write_ctx_iv(struct s5p_aes_dev *dd,
-				  struct s5p_hash_reqctx *ctx)
+				  const struct s5p_hash_reqctx *ctx)
 {
-	u32 *hash = (u32 *)ctx->digest;
+	const u32 *hash = (const u32 *)ctx->digest;
 	unsigned int i;
 
 	for (i = 0; i < ctx->nregs; i++)
@@ -818,7 +820,7 @@ static void s5p_hash_write_iv(struct ahash_request *req)
  */
 static void s5p_hash_copy_result(struct ahash_request *req)
 {
-	struct s5p_hash_reqctx *ctx = ahash_request_ctx(req);
+	const struct s5p_hash_reqctx *ctx = ahash_request_ctx(req);
 
 	if (!req->result)
 		return;
@@ -1210,9 +1212,6 @@ static int s5p_hash_prepare_request(struct ahash_request *req, bool update)
 	int xmit_len, hash_later, nbytes;
 	int ret;
 
-	if (!req)
-		return 0;
-
 	if (update)
 		nbytes = req->nbytes;
 	else
@@ -1293,7 +1292,7 @@ static int s5p_hash_prepare_request(struct ahash_request *req, bool update)
  */
 static void s5p_hash_update_dma_stop(struct s5p_aes_dev *dd)
 {
-	struct s5p_hash_reqctx *ctx = ahash_request_ctx(dd->hash_req);
+	const struct s5p_hash_reqctx *ctx = ahash_request_ctx(dd->hash_req);
 
 	dma_unmap_sg(dd->dev, ctx->sg, ctx->sg_len, DMA_TO_DEVICE);
 	clear_bit(HASH_FLAGS_DMA_ACTIVE, &dd->hash_flags);
@@ -1720,7 +1719,7 @@ static void s5p_hash_cra_exit(struct crypto_tfm *tfm)
  */
 static int s5p_hash_export(struct ahash_request *req, void *out)
 {
-	struct s5p_hash_reqctx *ctx = ahash_request_ctx(req);
+	const struct s5p_hash_reqctx *ctx = ahash_request_ctx(req);
 
 	memcpy(out, ctx, sizeof(*ctx) + ctx->bufcnt);
 
@@ -1834,7 +1833,8 @@ static struct ahash_alg algs_sha1_md5_sha256[] = {
 };
 
 static void s5p_set_aes(struct s5p_aes_dev *dev,
-			uint8_t *key, uint8_t *iv, unsigned int keylen)
+			const uint8_t *key, const uint8_t *iv,
+			unsigned int keylen)
 {
 	void __iomem *keystart;
 
@@ -2153,7 +2153,7 @@ static int s5p_aes_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	int i, j, err = -ENODEV;
-	struct samsung_aes_variant *variant;
+	const struct samsung_aes_variant *variant;
 	struct s5p_aes_dev *pdata;
 	struct resource *res;
 	unsigned int hash_i;