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| author |   Iuliana Prodan <iuliana.prodan@nxp.com> | 2020-02-12 19:55:20 +0200 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2020-02-22 09:25:47 +0800 |
| commit | 4d370a1036958d7df9f1492c345b4984a4eba7f6 (patch) | |
| tree | 77113940ba078bb828036aec4d3a00f321ac81ab /drivers/crypto/caam/caamalg.c | |
| parent | crypto: caam - refactor RSA private key _done callbacks (diff) | |
| download | linux-dev-4d370a1036958d7df9f1492c345b4984a4eba7f6.tar.xz linux-dev-4d370a1036958d7df9f1492c345b4984a4eba7f6.zip | |
crypto: caam - change return code in caam_jr_enqueue function
Based on commit 6b80ea389a0b ("crypto: change transient busy return code to -ENOSPC"),
change the return code of caam_jr_enqueue function to -EINPROGRESS, in
case of success, -ENOSPC in case the CAAM is busy (has no space left
in job ring queue), -EIO if it cannot map the caller's descriptor.
Update, also, the cases for resource-freeing for each algorithm type.
This is done for later use, on backlogging support in CAAM.
Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Reviewed-by: Horia Geanta <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/caam/caamalg.c')
| -rw-r--r-- | drivers/crypto/caam/caamalg.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index 30fca375b9b4..c1dd8859e024 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -1398,9 +1398,7 @@ static inline int chachapoly_crypt(struct aead_request *req, bool encrypt) 1); ret = caam_jr_enqueue(jrdev, desc, aead_crypt_done, req); - if (!ret) { - ret = -EINPROGRESS; - } else { + if (ret != -EINPROGRESS) { aead_unmap(jrdev, edesc, req); kfree(edesc); } @@ -1443,9 +1441,7 @@ static inline int aead_crypt(struct aead_request *req, bool encrypt) desc = edesc->hw_desc; ret = caam_jr_enqueue(jrdev, desc, aead_crypt_done, req); - if (!ret) { - ret = -EINPROGRESS; - } else { + if (ret != -EINPROGRESS) { aead_unmap(jrdev, edesc, req); kfree(edesc); } @@ -1488,9 +1484,7 @@ static inline int gcm_crypt(struct aead_request *req, bool encrypt) desc = edesc->hw_desc; ret = caam_jr_enqueue(jrdev, desc, aead_crypt_done, req); - if (!ret) { - ret = -EINPROGRESS; - } else { + if (ret != -EINPROGRESS) { aead_unmap(jrdev, edesc, req); kfree(edesc); } @@ -1706,9 +1700,7 @@ static inline int skcipher_crypt(struct skcipher_request *req, bool encrypt) desc = edesc->hw_desc; ret = caam_jr_enqueue(jrdev, desc, skcipher_crypt_done, req); - if (!ret) { - ret = -EINPROGRESS; - } else { + if (ret != -EINPROGRESS) { skcipher_unmap(jrdev, edesc, req); kfree(edesc); } |