crypto: sun4i-ss - checking sg length is not sufficient

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The optimized cipher function need length multiple of 4 bytes.
But it get sometimes odd length.
This is due to SG data could be stored with an offset.

So the fix is to check also if the offset is aligned with 4 bytes.
Fixes: 6298e94821 ("crypto: sunxi-ss - Add Allwinner Security System crypto accelerator")
Cc: <stable@vger.kernel.org>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Corentin Labbe 2020-12-14 20:02:26 +00:00 • committed by Herbert Xu

parent 583513510a

commit 7bdcd851fa

1 changed files with 2 additions and 2 deletions

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drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c

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