From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 630C2C433DF for ; Tue, 16 Jun 2020 15:52:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4011A21527 for ; Tue, 16 Jun 2020 15:52:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592322775; bh=ehGZLwBStwiNoBJPxCADAHxsq8vyqACAuHk60HMadMY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=vCqP77KRhxVznSdOTymnZmqauGZKX4Qa+P1XZ9SCTIIUqPyQkpMoX60xw1hQp+FPV tlD90m8dTd8zADAbMKEHZO9P5JRHLMI92KmHyXD0Z4YoFLb8AcXQfuFYAfxRZyNbCz 7VgBg+QObcXOCL/B1COKbsZjqaObfXCloD7fFzEk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732449AbgFPPwx (ORCPT ); Tue, 16 Jun 2020 11:52:53 -0400 Received: from mail.kernel.org ([198.145.29.99]:50504 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732813AbgFPPwt (ORCPT ); Tue, 16 Jun 2020 11:52:49 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5934D21534; Tue, 16 Jun 2020 15:52:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592322768; bh=ehGZLwBStwiNoBJPxCADAHxsq8vyqACAuHk60HMadMY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ffseDg6qwoG0ruDJxqEiCrDHEZi/Rqm721V4nRv2gQ0/13iQc5FRRkd11Ck59GD+1 7dY4Ez2R+FdkioGZEivSr+2KzvRRNC4y71nza9nL4NSKCTuv4OAs89uU3J4Pcbh1C0 uR6FJIXl3p+aMy1feGeX7/5j/QWhUE8aHZs4VsdQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Christophe JAILLET , Herbert Xu Subject: [PATCH 5.6 095/161] crypto: cavium/nitrox - Fix nitrox_get_first_device() when ndevlist is fully iterated Date: Tue, 16 Jun 2020 17:34:45 +0200 Message-Id: <20200616153110.904427046@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200616153106.402291280@linuxfoundation.org> References: <20200616153106.402291280@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Christophe JAILLET commit 320bdbd816156f9ca07e5fed7bfb449f2908dda7 upstream. When a list is completely iterated with 'list_for_each_entry(x, ...)', x is not NULL at the end. While at it, remove a useless initialization of the ndev variable. It is overridden by 'list_for_each_entry'. Fixes: f2663872f073 ("crypto: cavium - Register the CNN55XX supported crypto algorithms.") Cc: Signed-off-by: Christophe JAILLET Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/cavium/nitrox/nitrox_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/crypto/cavium/nitrox/nitrox_main.c +++ b/drivers/crypto/cavium/nitrox/nitrox_main.c @@ -278,7 +278,7 @@ static void nitrox_remove_from_devlist(s struct nitrox_device *nitrox_get_first_device(void) { - struct nitrox_device *ndev = NULL; + struct nitrox_device *ndev; mutex_lock(&devlist_lock); list_for_each_entry(ndev, &ndevlist, list) { @@ -286,7 +286,7 @@ struct nitrox_device *nitrox_get_first_d break; } mutex_unlock(&devlist_lock); - if (!ndev) + if (&ndev->list == &ndevlist) return NULL; refcount_inc(&ndev->refcnt);