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-rw-r--r--drivers/crypto/atmel-aes.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index 0e3d0d655b96..9fd2f63b8bc0 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -879,6 +879,7 @@ static int atmel_aes_handle_queue(struct atmel_aes_dev *dd,
struct crypto_async_request *areq, *backlog;
struct atmel_aes_base_ctx *ctx;
unsigned long flags;
+ bool start_async;
int err, ret = 0;
spin_lock_irqsave(&dd->lock, flags);
@@ -904,10 +905,12 @@ static int atmel_aes_handle_queue(struct atmel_aes_dev *dd,
dd->areq = areq;
dd->ctx = ctx;
- dd->is_async = (areq != new_areq);
+ start_async = (areq != new_areq);
+ dd->is_async = start_async;
+ /* WARNING: ctx->start() MAY change dd->is_async. */
err = ctx->start(dd);
- return (dd->is_async) ? ret : err;
+ return (start_async) ? ret : err;
}