linux-kernel - [PATCH v4 5/8] crypto: sun4i-ss: initialize need

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Date:   Mon, 14 Dec 2020 20:02:29 +0000
From:   Corentin Labbe <clabbe@...libre.com>
To:     arnd@...db.de, davem@...emloft.net, herbert@...dor.apana.org.au,
        jernej.skrabec@...l.net, 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@...glegroups.com,
        Corentin Labbe <clabbe@...libre.com>, stable@...r.kernel.org
Subject: [PATCH v4 5/8] crypto: sun4i-ss: initialize need_fallback

The need_fallback is never initialized and seem to be always true at runtime.
So all hardware operations are always bypassed.

Fixes: 0ae1f46c55f87 ("crypto: sun4i-ss - fallback when length is not multiple of blocksize")
Cc: <stable@...r.kernel.org>
Signed-off-by: Corentin Labbe <clabbe@...libre.com>
---
 drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c
index e097f4c3e68f..5759fa79f293 100644
--- a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c
+++ b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c
@@ -179,7 +179,7 @@ static int sun4i_ss_cipher_poll(struct skcipher_request *areq)
 	unsigned int obo = 0;	/* offset in bufo*/
 	unsigned int obl = 0;	/* length of data in bufo */
 	unsigned long flags;
-	bool need_fallback;
+	bool need_fallback = false;
 
 	if (!areq->cryptlen)
 		return 0;
-- 
2.26.2