Commit fc43f093 authored by Gilad Ben-Yossef's avatar Gilad Ben-Yossef Committed by Greg Kroah-Hartman

crypto: atmel - only treat EBUSY as transient if backlog

commit 1606043f upstream.

The Atmel SHA driver was treating -EBUSY as indication of queueing
to backlog without checking that backlog is enabled for the request.

Fix it by checking request flags.
Signed-off-by: default avatarGilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d05fbdbe
......@@ -963,7 +963,9 @@ static int atmel_sha_finup(struct ahash_request *req)
ctx->flags |= SHA_FLAGS_FINUP;
err1 = atmel_sha_update(req);
if (err1 == -EINPROGRESS || err1 == -EBUSY)
if (err1 == -EINPROGRESS ||
(err1 == -EBUSY && (ahash_request_flags(req) &
CRYPTO_TFM_REQ_MAY_BACKLOG)))
return err1;
/*
......
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