crypto: mv_cesa - fill inner/outer IV fields only in HMAC case

Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index de09303..c1925c2 100644 (file)
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -296,6 +296,7 @@ static void mv_crypto_algo_completion(void)
 static void mv_process_hash_current(int first_block)
 {
        struct ahash_request *req = ahash_request_cast(cpg->cur_req);
+       const struct mv_tfm_hash_ctx *tfm_ctx = crypto_tfm_ctx(req->base.tfm);
        struct mv_req_hash_ctx *req_ctx = ahash_request_ctx(req);
        struct req_progress *p = &cpg->p;
        struct sec_accel_config op = { 0 };
@@ -308,6 +309,8 @@ static void mv_process_hash_current(int first_block)
                break;
        case COP_HMAC_SHA1:
                op.config = CFG_OP_MAC_ONLY | CFG_MACM_HMAC_SHA1;
+               memcpy(cpg->sram + SRAM_HMAC_IV_IN,
+                               tfm_ctx->ivs, sizeof(tfm_ctx->ivs));
                break;
        }
 
@@ -510,7 +513,6 @@ static void mv_start_new_hash_req(struct ahash_request *req)
 {
        struct req_progress *p = &cpg->p;
        struct mv_req_hash_ctx *ctx = ahash_request_ctx(req);
-       const struct mv_tfm_hash_ctx *tfm_ctx = crypto_tfm_ctx(req->base.tfm);
        int num_sgs, hw_bytes, old_extra_bytes, rc;
        cpg->cur_req = &req->base;
        memset(p, 0, sizeof(struct req_progress));
@@ -523,8 +525,6 @@ static void mv_start_new_hash_req(struct ahash_request *req)
                p->crypt_len = ctx->extra_bytes;
        }
 
-       memcpy(cpg->sram + SRAM_HMAC_IV_IN, tfm_ctx->ivs, sizeof(tfm_ctx->ivs));
-
        if (unlikely(!ctx->first_hash)) {
                writel(ctx->state[0], cpg->reg + DIGEST_INITIAL_VAL_A);
                writel(ctx->state[1], cpg->reg + DIGEST_INITIAL_VAL_B);