From 6674a4fdc6c2e690b28b7f590cd20871aeee55ad Mon Sep 17 00:00:00 2001 From: Horia Geantă Date: Tue, 19 Dec 2017 12:16:04 +0200 Subject: crypto: caam - constify key data MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Key data is not modified, it is copied in the shared descriptor. Signed-off-by: Horia Geantă Signed-off-by: Herbert Xu --- drivers/crypto/caam/caamalg_desc.c | 6 +++--- drivers/crypto/caam/desc_constr.h | 10 +++++----- 2 files changed, 8 insertions(+), 8 deletions(-) (limited to 'drivers/crypto') diff --git a/drivers/crypto/caam/caamalg_desc.c b/drivers/crypto/caam/caamalg_desc.c index 530c14ee32de..2db9e85bf81c 100644 --- a/drivers/crypto/caam/caamalg_desc.c +++ b/drivers/crypto/caam/caamalg_desc.c @@ -1075,7 +1075,7 @@ void cnstr_shdsc_ablkcipher_encap(u32 * const desc, struct alginfo *cdata, /* Load nonce into CONTEXT1 reg */ if (is_rfc3686) { - u8 *nonce = cdata->key_virt + cdata->keylen; + const u8 *nonce = cdata->key_virt + cdata->keylen; append_load_as_imm(desc, nonce, CTR_RFC3686_NONCE_SIZE, LDST_CLASS_IND_CCB | @@ -1140,7 +1140,7 @@ void cnstr_shdsc_ablkcipher_decap(u32 * const desc, struct alginfo *cdata, /* Load nonce into CONTEXT1 reg */ if (is_rfc3686) { - u8 *nonce = cdata->key_virt + cdata->keylen; + const u8 *nonce = cdata->key_virt + cdata->keylen; append_load_as_imm(desc, nonce, CTR_RFC3686_NONCE_SIZE, LDST_CLASS_IND_CCB | @@ -1209,7 +1209,7 @@ void cnstr_shdsc_ablkcipher_givencap(u32 * const desc, struct alginfo *cdata, /* Load Nonce into CONTEXT1 reg */ if (is_rfc3686) { - u8 *nonce = cdata->key_virt + cdata->keylen; + const u8 *nonce = cdata->key_virt + cdata->keylen; append_load_as_imm(desc, nonce, CTR_RFC3686_NONCE_SIZE, LDST_CLASS_IND_CCB | diff --git a/drivers/crypto/caam/desc_constr.h b/drivers/crypto/caam/desc_constr.h index ba1ca0806f0a..5b39b7d7a47a 100644 --- a/drivers/crypto/caam/desc_constr.h +++ b/drivers/crypto/caam/desc_constr.h @@ -109,7 +109,7 @@ static inline void init_job_desc_shared(u32 * const desc, dma_addr_t ptr, append_ptr(desc, ptr); } -static inline void append_data(u32 * const desc, void *data, int len) +static inline void append_data(u32 * const desc, const void *data, int len) { u32 *offset = desc_end(desc); @@ -172,7 +172,7 @@ static inline void append_cmd_ptr_extlen(u32 * const desc, dma_addr_t ptr, append_cmd(desc, len); } -static inline void append_cmd_data(u32 * const desc, void *data, int len, +static inline void append_cmd_data(u32 * const desc, const void *data, int len, u32 command) { append_cmd(desc, command | IMMEDIATE | len); @@ -271,7 +271,7 @@ APPEND_SEQ_PTR_INTLEN(in, IN) APPEND_SEQ_PTR_INTLEN(out, OUT) #define APPEND_CMD_PTR_TO_IMM(cmd, op) \ -static inline void append_##cmd##_as_imm(u32 * const desc, void *data, \ +static inline void append_##cmd##_as_imm(u32 * const desc, const void *data, \ unsigned int len, u32 options) \ { \ PRINT_POS; \ @@ -312,7 +312,7 @@ APPEND_CMD_PTR_LEN(seq_out_ptr, SEQ_OUT_PTR, u32) * from length of immediate data provided, e.g., split keys */ #define APPEND_CMD_PTR_TO_IMM2(cmd, op) \ -static inline void append_##cmd##_as_imm(u32 * const desc, void *data, \ +static inline void append_##cmd##_as_imm(u32 * const desc, const void *data, \ unsigned int data_len, \ unsigned int len, u32 options) \ { \ @@ -452,7 +452,7 @@ struct alginfo { unsigned int keylen_pad; union { dma_addr_t key_dma; - void *key_virt; + const void *key_virt; }; bool key_inline; }; -- cgit