From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752821AbeCOPkb (ORCPT ); Thu, 15 Mar 2018 11:40:31 -0400 Received: from mail.bootlin.com ([62.4.15.54]:60493 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752792AbeCOPk3 (ORCPT ); Thu, 15 Mar 2018 11:40:29 -0400 From: Antoine Tenart To: herbert@gondor.apana.org.au, davem@davemloft.net Cc: Antoine Tenart , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, maxime.chevallier@bootlin.com, gregory.clement@bootlin.com, miquel.raynal@bootlin.com, nadavh@marvell.com, oferh@marvell.com, igall@marvell.com Subject: [PATCH 03/12] crypto: inside-secure - wait for the request to complete if in the backlog Date: Thu, 15 Mar 2018 16:38:42 +0100 Message-Id: <20180315153851.9958-4-antoine.tenart@bootlin.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180315153851.9958-1-antoine.tenart@bootlin.com> References: <20180315153851.9958-1-antoine.tenart@bootlin.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch updates the safexcel_hmac_init_pad() function to also wait for completion when the digest return code is -EBUSY, as it would mean the request is in the backlog to be processed later. Fixes: 1b44c5a60c13 ("crypto: inside-secure - add SafeXcel EIP197 crypto engine driver") Suggested-by: Ofer Heifetz Signed-off-by: Antoine Tenart --- drivers/crypto/inside-secure/safexcel_hash.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c index 4953a2a86c10..77268c9f1620 100644 --- a/drivers/crypto/inside-secure/safexcel_hash.c +++ b/drivers/crypto/inside-secure/safexcel_hash.c @@ -842,7 +842,7 @@ static int safexcel_hmac_init_pad(struct ahash_request *areq, init_completion(&result.completion); ret = crypto_ahash_digest(areq); - if (ret == -EINPROGRESS) { + if (ret == -EINPROGRESS || ret == -EBUSY) { wait_for_completion_interruptible(&result.completion); ret = result.error; } -- 2.14.3