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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Corentin Labbe <clabbe@baylibre.com>,
        Herbert Xu <herbert@gondor.apana.org.au>
Subject: [PATCH 5.10 548/663] crypto: sun4i-ss - initialize need_fallback
Date:   Mon,  1 Mar 2021 17:13:16 +0100
Message-Id: <20210301161208.985907212@linuxfoundation.org>
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From: Corentin Labbe <clabbe@baylibre.com>

commit 4ec8977b921fd9d512701e009ce8082cb94b5c1c upstream.

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@vger.kernel.org>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c
+++ b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c
@@ -194,7 +194,7 @@ static int sun4i_ss_cipher_poll(struct s
 	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;