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>
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index c018cd0..fb3f1e3 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -407,12 +407,6 @@
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 @@
(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);
}
}