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crypto: sahara - improve error handling in sahara_sha_process()

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[ Upstream commit 5deff027fca49a1eb3b20359333cf2ae562a2343 ]

sahara_sha_hw_data_descriptor_create() returns negative error codes on
failure, so make sure the errors are correctly handled / propagated.

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ovidiu Panait 2023-12-24 10:21:34 +02:00 committed by Greg Kroah-Hartman
parent 5834cafc1d
commit 6fc9576795
1 changed files with 8 additions and 2 deletions
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10
drivers/crypto/sahara.c
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@ -988,7 +988,10 @@ static int sahara_sha_process(struct ahash_request *req)
return ret;
if (rctx->first) {
sahara_sha_hw_data_descriptor_create(dev, rctx, req, 0);
ret = sahara_sha_hw_data_descriptor_create(dev, rctx, req, 0);
if (ret)
return ret;
dev->hw_desc[0]->next = 0;
rctx->first = 0;
} else {
@ -996,7 +999,10 @@ static int sahara_sha_process(struct ahash_request *req)
sahara_sha_hw_context_descriptor_create(dev, rctx, req, 0);
dev->hw_desc[0]->next = dev->hw_phys_desc[1];
sahara_sha_hw_data_descriptor_create(dev, rctx, req, 1);
ret = sahara_sha_hw_data_descriptor_create(dev, rctx, req, 1);
if (ret)
return ret;
dev->hw_desc[1]->next = 0;
}