From patchwork Thu Dec 14 14:26:48 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antoine Tenart X-Patchwork-Id: 10112357 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3F9D160352 for ; Thu, 14 Dec 2017 14:30:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2FEA329273 for ; Thu, 14 Dec 2017 14:30:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 24AE529538; Thu, 14 Dec 2017 14:30:21 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9F4F2223C6 for ; Thu, 14 Dec 2017 14:30:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753172AbdLNOaQ (ORCPT ); Thu, 14 Dec 2017 09:30:16 -0500 Received: from mail.free-electrons.com ([62.4.15.54]:36779 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752803AbdLNOaF (ORCPT ); Thu, 14 Dec 2017 09:30:05 -0500 Received: by mail.free-electrons.com (Postfix, from userid 110) id 4337C20986; Thu, 14 Dec 2017 15:30:04 +0100 (CET) Received: from localhost (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 14CBA20392; Thu, 14 Dec 2017 15:30:04 +0100 (CET) From: Antoine Tenart To: herbert@gondor.apana.org.au, davem@davemloft.net Cc: Ofer Heifetz , thomas.petazzoni@free-electrons.com, gregory.clement@free-electrons.com, miquel.raynal@free-electrons.com, igall@marvell.com, nadavh@marvell.com, linux-crypto@vger.kernel.org, Antoine Tenart Subject: [PATCH 06/17] crypto: inside-secure - EBUSY is not an error on async request Date: Thu, 14 Dec 2017 15:26:48 +0100 Message-Id: <20171214142659.16987-7-antoine.tenart@free-electrons.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20171214142659.16987-1-antoine.tenart@free-electrons.com> References: <20171214142659.16987-1-antoine.tenart@free-electrons.com> Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ofer Heifetz When initializing the IVs crypto_ahash_update() is called, which at some point will call crypto_enqueue_request(). This function can return -EBUSY when no resource is available and the request is queued. Since this is a valid case, -EBUSY shouldn't be treated as an error. Signed-off-by: Ofer Heifetz [Antoine: commit message] 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 d156637d6144..4a4d95302a93 100644 --- a/drivers/crypto/inside-secure/safexcel_hash.c +++ b/drivers/crypto/inside-secure/safexcel_hash.c @@ -862,7 +862,7 @@ static int safexcel_hmac_init_iv(struct ahash_request *areq, req->last_req = true; ret = crypto_ahash_update(areq); - if (ret && ret != -EINPROGRESS) + if (ret && ret != -EINPROGRESS && ret != -EBUSY) return ret; wait_for_completion_interruptible(&result.completion);