diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-10-27 13:37:40 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-10-27 13:37:40 -0300 |
commit | badc0e42604c4465facd81d2323e98b3b1eb9188 (patch) | |
tree | e61811e7ddf70517f4b546d522ba3b630b38f50f /drivers/crypto/marvell/cesa.h | |
parent | f19866e5cb04f8f007cb422132ea4611cdacc8e3 (diff) |
Linux-libre 4.2.4-gnupck-4.2.4-gnu
Diffstat (limited to 'drivers/crypto/marvell/cesa.h')
-rw-r--r-- | drivers/crypto/marvell/cesa.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/crypto/marvell/cesa.h b/drivers/crypto/marvell/cesa.h index b60698b30..bc2a55bc3 100644 --- a/drivers/crypto/marvell/cesa.h +++ b/drivers/crypto/marvell/cesa.h @@ -687,6 +687,33 @@ static inline u32 mv_cesa_get_int_mask(struct mv_cesa_engine *engine) int mv_cesa_queue_req(struct crypto_async_request *req); +/* + * Helper function that indicates whether a crypto request needs to be + * cleaned up or not after being enqueued using mv_cesa_queue_req(). + */ +static inline int mv_cesa_req_needs_cleanup(struct crypto_async_request *req, + int ret) +{ + /* + * The queue still had some space, the request was queued + * normally, so there's no need to clean it up. + */ + if (ret == -EINPROGRESS) + return false; + + /* + * The queue had not space left, but since the request is + * flagged with CRYPTO_TFM_REQ_MAY_BACKLOG, it was added to + * the backlog and will be processed later. There's no need to + * clean it up. + */ + if (ret == -EBUSY && req->flags & CRYPTO_TFM_REQ_MAY_BACKLOG) + return false; + + /* Request wasn't queued, we need to clean it up */ + return true; +} + /* TDMA functions */ static inline void mv_cesa_req_dma_iter_init(struct mv_cesa_dma_iter *iter, |