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crypto: remove redundant backlog checks on EBUSY

Browse source 
Now that -EBUSY return code only indicates backlog queueing
we can safely remove the now redundant check for the
CRYPTO_TFM_REQ_MAY_BACKLOG flag when -EBUSY is returned.

Signed-off-by: Gilad Ben-Yossef <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Gilad Ben-Yossef 2017-10-18 08:00:36 +01:00 • committed by Herbert Xu
commit 4e5b0ad582
5 changed files with 13 additions and 37 deletions
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12
crypto/ahash.c
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@ -334,9 +334,7 @@ static int ahash_op_unaligned(struct ahash_request *req,
return err;
err = op(req);
if (err == -EINPROGRESS ||
(err == -EBUSY && (ahash_request_flags(req) &
CRYPTO_TFM_REQ_MAY_BACKLOG)))
if (err == -EINPROGRESS || err == -EBUSY)
return err;
ahash_restore_req(req, err);
@ -394,9 +392,7 @@ static int ahash_def_finup_finish1(struct ahash_request *req, int err)
req->base.complete = ahash_def_finup_done2;
err = crypto_ahash_reqtfm(req)->final(req);
if (err == -EINPROGRESS ||
(err == -EBUSY && (ahash_request_flags(req) &
CRYPTO_TFM_REQ_MAY_BACKLOG)))
if (err == -EINPROGRESS || err == -EBUSY)
return err;
out:
@ -432,9 +428,7 @@ static int ahash_def_finup(struct ahash_request *req)
return err;
err = tfm->update(req);
if (err == -EINPROGRESS ||
(err == -EBUSY && (ahash_request_flags(req) &
CRYPTO_TFM_REQ_MAY_BACKLOG)))
if (err == -EINPROGRESS || err == -EBUSY)
return err;
return ahash_def_finup_finish1(req, err);