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authorGilad Ben-Yossef <gilad@benyossef.com>2017-06-28 10:22:03 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2017-07-12 13:38:06 +0300
commit1606043f214f912a52195293614935811a6e3e53 (patch)
tree54f5a9ab508836a66fed2de2b025be85e0903631 /drivers/crypto/atmel-sha.c
parent2acce6aa9f6569d4e135b2c4cfb56acce95efaeb (diff)
downloadlinux-1606043f214f912a52195293614935811a6e3e53.tar.xz
crypto: atmel - only treat EBUSY as transient if backlog
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. Cc: <stable@vger.kernel.org> Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/atmel-sha.c')
-rw-r--r--drivers/crypto/atmel-sha.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index a9482023d7d3..dad4e5bad827 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -1204,7 +1204,9 @@ 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;
/*