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crypto: rockchip: add async_req NULL check

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Change-Id: Ie27402f25e0c0c8440f5e299694d91719514bc32
Signed-off-by: Lin Jinhan <troy.lin@rock-chips.com>
This commit is contained in:
Lin Jinhan
2022-07-21 09:31:54 +08:00
parent 965f3dc100
commit 4596f91c3d
1 changed files with 7 additions and 0 deletions
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7
drivers/crypto/rockchip/rk_crypto_core.c
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@@ -353,6 +353,8 @@ static void rk_complete_op(struct rk_crypto_dev *rk_dev, int err)
alg_ctx->ops.complete(rk_dev->async_req, err);
rk_dev->async_req = NULL;
tasklet_schedule(&rk_dev->queue_task);
}
@@ -388,6 +390,11 @@ static void rk_crypto_queue_task_cb(unsigned long data)
struct crypto_async_request *async_req, *backlog;
unsigned long flags;
if (rk_dev->async_req) {
dev_err(rk_dev->dev, "%s: Unexpected crypto paths.\n", __func__);
return;
}
rk_dev->err = 0;
spin_lock_irqsave(&rk_dev->lock, flags);
backlog = crypto_get_backlog(&rk_dev->queue);