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Commit a1f613f1 authored by Cyrille Pitchen's avatar Cyrille Pitchen Committed by Herbert Xu
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crypto: atmel-aes - fix atmel_aes_handle_queue() 



This patch fixes the value returned by atmel_aes_handle_queue(), which
could have been wrong previously when the crypto request was started
synchronously but became asynchronous during the ctx->start() call.

Signed-off-by: default avatarCyrille Pitchen <cyrille.pitchen@atmel.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 81d8750b

drivers/crypto/atmel-aes.c

+5 −2
Original line number Diff line number Diff line
@@ -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;

}