Received: by 10.223.176.5 with SMTP id f5csp906022wra; Tue, 6 Feb 2018 09:16:04 -0800 (PST) X-Google-Smtp-Source: AH8x225VKu9Ml/9heoa63uavefRsahXTi/ZzvUTxG0YS+Kl8cgOzrid6xkXa9x60wRD3DBaoGAcN X-Received: by 2002:a17:902:9346:: with SMTP id g6-v6mr3088650plp.379.1517937363917; Tue, 06 Feb 2018 09:16:03 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1517937363; cv=none; d=google.com; s=arc-20160816; b=0GMJc2jP2qq7mvWQcvnaGvQLFX2Zz5Bdyqb0vgdvK2lOOykBFrw4Uq+ZuMcR1XckhZ gFKy7N/Mi7mttxK6ifAJ/PV52nq7OOW0wSnNQnVeUceFaGlUb2dO6DyXuTvUSp6j10xn dOsNl+mxqWkbtfpMtWvm9k14U4wrJ7xH2RbpEzm0S5NGp7Ts4TvBXyuQQ2iVDhGqm4JS m358oKS6gd3fv/GTFkMBgtavWsx9PghEDe9EKNSTh95KQSOc7MbO1Mj3Tl1Ijp3tG8iO 5hdcou2LmhD+CcJpW7K00fujQ46KFvhF1TKl42DcIJaGzJ7WEVhEMHK7DHigkaDGJ+Nf K1Zg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:subject:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:arc-authentication-results; bh=475NEhw4HSj0Mf3Aq+zOE2yNw+l3S+VR03gLcDl0Tbg=; b=AqAZonrKzUiq7cf+IRL0icBzfLK0zIgFpBdwi3kBLNvUud20iWQ0aZa1rH+NsTmEag Jm+Dkul19bCcOI/yNKqWgisOeMVHH5bkeVJv66AjFZkJJPupPzPMYsd3SLsB9mutwxTy Jn+IOOKaggpcBvwiep3qa+D5MS+sPGdjczhYzoxLlAmdn8mctzqVVqSzSaZe+B78/oC9 Lnkk8zEfUqOyQ3nIyEITWaRjKDYVyHXry20k0VNQLElVZUcP5Gw7I/YcnuDyaB8tp/UB KMid/8OrnSHNsblf1nqyYvL2+VpzG8JzmJ7kdRHHEnYQs8L1BX9iFpLAtD5nH8W6id7r hG8g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id g2-v6si1803980pli.43.2018.02.06.09.15.49; Tue, 06 Feb 2018 09:16:03 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752699AbeBFRPE (ORCPT + 99 others); Tue, 6 Feb 2018 12:15:04 -0500 Received: from ale.deltatee.com ([207.54.116.67]:60410 "EHLO ale.deltatee.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752171AbeBFRO6 (ORCPT ); Tue, 6 Feb 2018 12:14:58 -0500 Received: from guinness.priv.deltatee.com ([172.16.1.162]) by ale.deltatee.com with esmtp (Exim 4.89) (envelope-from ) id 1ej6pb-0005Eo-Jk; Tue, 06 Feb 2018 10:14:56 -0700 To: "Srivatsa S. Bhat" , gregkh@linuxfoundation.org Cc: axboe@kernel.dk, jlayton@poochiereds.net, bfields@fieldses.org, viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org References: <151788389652.28069.6065922071875812126.stgit@srivatsa-ubuntu> From: Logan Gunthorpe Message-ID: Date: Tue, 6 Feb 2018 10:14:53 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: <151788389652.28069.6065922071875812126.stgit@srivatsa-ubuntu> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 172.16.1.162 X-SA-Exim-Rcpt-To: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, viro@zeniv.linux.org.uk, bfields@fieldses.org, jlayton@poochiereds.net, axboe@kernel.dk, gregkh@linuxfoundation.org, srivatsa@csail.mit.edu X-SA-Exim-Mail-From: logang@deltatee.com X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on ale.deltatee.com X-Spam-Level: X-Spam-Status: No, score=-8.7 required=5.0 tests=ALL_TRUSTED,BAYES_00, GREYLIST_ISWHITE,MYRULES_FREE,T_RP_MATCHES_RCVD autolearn=ham autolearn_force=no version=3.4.1 Subject: Re: [PATCH 1/2] char_dev: Fix off-by-one bugs in find_dynamic_major() X-SA-Exim-Version: 4.2.1 (built Tue, 02 Aug 2016 21:08:31 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thanks! On 05/02/18 07:25 PM, Srivatsa S. Bhat wrote: > From: Srivatsa S. Bhat > > CHRDEV_MAJOR_DYN_END and CHRDEV_MAJOR_DYN_EXT_END are valid major > numbers. So fix the loop iteration to include them in the search for > free major numbers. > > While at it, also remove a redundant if condition ("cd->major != i"), > as it will never be true. > > Signed-off-by: Srivatsa S. Bhat Reviewed-by: Logan Gunthorpe Logan