crypto: sahara - do not resize req->src when doing hash operations

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When testing sahara sha256 speed performance with tcrypt (mode=404) on
imx53-qsrb board, multiple "Invalid numbers of src SG." errors are
reported. This was traced to sahara_walk_and_recalc() resizing req->src
and causing the subsequent dma_map_sg() call to fail.

Now that the previous commit fixed sahara_sha_hw_links_create() to take
into account the actual request size, rather than relying on sg->length
values, the resize operation is no longer necessary.

Therefore, remove sahara_walk_and_recalc() and simplify associated logic.

Fixes: 5a2bb93f59 ("crypto: sahara - add support for SHA1/256")
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Ovidiu Panait 2023-12-24 10:21:36 +02:00 • committed by Herbert Xu

parent 7bafa74d1b

commit a3c6f4f4d2

1 changed files with 2 additions and 36 deletions

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drivers/crypto/sahara.c

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