diff options
| author | Gilad Ben-Yossef <gilad@benyossef.com> | 2017-06-28 10:22:03 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-07-21 07:44:58 +0200 |
| commit | fc43f0935035008a65e1a8ed50c99679dce65377 (patch) | |
| tree | 0853d5244ea643865dfb59ba9b0b88b5d2892f0a /drivers | |
| parent | d05fbdbe6d1c2b00f1d2c3010a4a4c710fb4097a (diff) | |
crypto: atmel - only treat EBUSY as transient if backlog
commit 1606043f214f912a52195293614935811a6e3e53 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: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/atmel-sha.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c index 0dadb6332f0e..7abe908427df 100644 --- a/drivers/crypto/atmel-sha.c +++ b/drivers/crypto/atmel-sha.c @@ -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; /* |