linux-kernel - [PATCH 6/8] crypto: sun8i-ss: remove redundant test

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Date:   Wed, 26 Jan 2022 21:04:39 +0000
From:   Corentin Labbe <clabbe@...libre.com>
To:     davem@...emloft.net, herbert@...dor.apana.org.au,
        jernej.skrabec@...il.com, mripard@...nel.org, wens@...e.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...ts.linux.dev,
        linux-sunxi@...glegroups.com, Corentin Labbe <clabbe@...libre.com>
Subject: [PATCH 6/8] crypto: sun8i-ss: remove redundant test

Some fallback tests were redundant with what sun8i_ss_hash_need_fallback() already do.

Signed-off-by: Corentin Labbe <clabbe@...libre.com>
---
 drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
index ef3020bc9547..7ebd11d3ff7d 100644
--- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
+++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
@@ -287,21 +287,11 @@ int sun8i_ss_hash_digest(struct ahash_request *areq)
 	struct sun8i_ss_alg_template *algt;
 	struct sun8i_ss_dev *ss;
 	struct crypto_engine *engine;
-	struct scatterlist *sg;
-	int nr_sgs, e, i;
+	int e;
 
 	if (sun8i_ss_hash_need_fallback(areq))
 		return sun8i_ss_hash_digest_fb(areq);
 
-	nr_sgs = sg_nents(areq->src);
-	if (nr_sgs > MAX_SG - 1)
-		return sun8i_ss_hash_digest_fb(areq);
-
-	for_each_sg(areq->src, sg, nr_sgs, i) {
-		if (sg->length % 4 || !IS_ALIGNED(sg->offset, sizeof(u32)))
-			return sun8i_ss_hash_digest_fb(areq);
-	}
-
 	algt = container_of(alg, struct sun8i_ss_alg_template, alg.hash);
 	ss = algt->ss;
 
-- 
2.34.1