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crypto: rockchip - return the err code when unable dequeue the crypto request

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Sometime we would unable to dequeue the crypto request, in this case,
we should finish crypto and return the err code.

Signed-off-by: zain wang <wzz@rock-chips.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Zain Wang 2017-07-24 09:23:14 +08:00 committed by Herbert Xu
parent 641eacd156
commit 9a42e4eed3
3 changed files with 29 additions and 19 deletions
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19
drivers/crypto/rockchip/rk3288_crypto.c
View file

@ -187,27 +187,8 @@ static irqreturn_t rk_crypto_irq_handle(int irq, void *dev_id)
static void rk_crypto_queue_task_cb(unsigned long data)
{
struct rk_crypto_info *dev = (struct rk_crypto_info *)data;
struct crypto_async_request *async_req, *backlog;
unsigned long flags;
int err = 0;
spin_lock_irqsave(&dev->lock, flags);
backlog = crypto_get_backlog(&dev->queue);
async_req = crypto_dequeue_request(&dev->queue);
spin_unlock_irqrestore(&dev->lock, flags);
if (!async_req) {
dev_err(dev->dev, "async_req is NULL !!\n");
return;
}
if (backlog) {
backlog->complete(backlog, -EINPROGRESS);
backlog = NULL;
}
if (crypto_tfm_alg_type(async_req->tfm) == CRYPTO_ALG_TYPE_ABLKCIPHER)
dev->ablk_req = ablkcipher_request_cast(async_req);
else
dev->ahash_req = ahash_request_cast(async_req);
dev->err = 0;
err = dev->start(dev);
if (err)

15
drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c
View file

@ -25,6 +25,7 @@ static int rk_handle_req(struct rk_crypto_info *dev,
struct ablkcipher_request *req)
{
unsigned long flags;
struct crypto_async_request *async_req, *backlog;
int err;
if (!IS_ALIGNED(req->nbytes, dev->align_size))
@ -41,7 +42,21 @@ static int rk_handle_req(struct rk_crypto_info *dev,
spin_lock_irqsave(&dev->lock, flags);
err = ablkcipher_enqueue_request(&dev->queue, req);
backlog = crypto_get_backlog(&dev->queue);
async_req = crypto_dequeue_request(&dev->queue);
spin_unlock_irqrestore(&dev->lock, flags);
if (!async_req) {
dev_err(dev->dev, "async_req is NULL !!\n");
return err;
}
if (backlog) {
backlog->complete(backlog, -EINPROGRESS);
backlog = NULL;
}
dev->ablk_req = ablkcipher_request_cast(async_req);
tasklet_schedule(&dev->queue_task);
return err;
}

14
drivers/crypto/rockchip/rk3288_crypto_ahash.c
View file

@ -166,6 +166,7 @@ static int rk_ahash_digest(struct ahash_request *req)
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
struct rk_ahash_ctx *tctx = crypto_tfm_ctx(req->base.tfm);
struct crypto_async_request *async_req, *backlog;
struct rk_crypto_info *dev = NULL;
unsigned long flags;
int ret;
@ -202,8 +203,21 @@ static int rk_ahash_digest(struct ahash_request *req)
spin_lock_irqsave(&dev->lock, flags);
ret = crypto_enqueue_request(&dev->queue, &req->base);
backlog = crypto_get_backlog(&dev->queue);
async_req = crypto_dequeue_request(&dev->queue);
spin_unlock_irqrestore(&dev->lock, flags);
if (!async_req) {
dev_err(dev->dev, "async_req is NULL !!\n");
return ret;
}
if (backlog) {
backlog->complete(backlog, -EINPROGRESS);
backlog = NULL;
}
dev->ahash_req = ahash_request_cast(async_req);
tasklet_schedule(&dev->queue_task);
/*