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crypto: mv_cesa - no need to save digest state after the last chunk 

Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
hifive-unleashed-5.1
Phil Sutter 2011-05-05 15:29:01 +02:00 committed by Herbert Xu
parent 2a025f5dfc
commit 7a1c6bcf26
1 changed files with 6 additions and 6 deletions
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12
drivers/crypto/mv_cesa.c
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@ -407,12 +407,6 @@ static void mv_hash_algo_completion(void)
copy_src_to_buf(&cpg->p, ctx->buffer, ctx->extra_bytes);
sg_miter_stop(&cpg->p.src_sg_it);
ctx->state[0] = readl(cpg->reg + DIGEST_INITIAL_VAL_A);
ctx->state[1] = readl(cpg->reg + DIGEST_INITIAL_VAL_B);
ctx->state[2] = readl(cpg->reg + DIGEST_INITIAL_VAL_C);
ctx->state[3] = readl(cpg->reg + DIGEST_INITIAL_VAL_D);
ctx->state[4] = readl(cpg->reg + DIGEST_INITIAL_VAL_E);
if (likely(ctx->last_chunk)) {
if (likely(ctx->count <= MAX_HW_HASH_SIZE)) {
memcpy(req->result, cpg->sram + SRAM_DIGEST_BUF,
@ -420,6 +414,12 @@ static void mv_hash_algo_completion(void)
(req)));
} else
mv_hash_final_fallback(req);
} else {
ctx->state[0] = readl(cpg->reg + DIGEST_INITIAL_VAL_A);
ctx->state[1] = readl(cpg->reg + DIGEST_INITIAL_VAL_B);
ctx->state[2] = readl(cpg->reg + DIGEST_INITIAL_VAL_C);
ctx->state[3] = readl(cpg->reg + DIGEST_INITIAL_VAL_D);
ctx->state[4] = readl(cpg->reg + DIGEST_INITIAL_VAL_E);
}
}