From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 05 Aug 2025 13:20:19 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1ujFiN-007HCU-15 for lore@lore.pengutronix.de; Tue, 05 Aug 2025 13:20:19 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ujFiM-0006jb-Q4 for lore@pengutronix.de; Tue, 05 Aug 2025 13:20:19 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:In-Reply-To:Message-Id:Cc:To:Subject:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=7UwLkVxj7iUggGhEbvQQe3B5JsA+5SRZUB4UNLu81ME=; b=tp6c+ouoHAvL4OKz/3D/AQIVu5 UEChdjaax57OQuSZhH5NCIRxva4/nyODzU/Qs2zIF122+vvtM0wpKbUQmpWaOIzy/bo2PqqAgIhyf yGnhHYDBvDGKe2fTzw6RxzjzhOlihpq1vg/SpQ8a9SyIYdao6W8vg4PR76qqFZebHKtql6S/Plk2n Yf48QzwOxXQWV5PhimwKEaMGz3NmUHf4BrW9u42ybrzXDoDUwOmmvUVxAL8PKA4xPPOVGPG09j5ya T4pmF6EVyR0C0WK9NZ+oJBqBrXlrerin+s4YKGY3+/5/kBiH+eI7NV0TVwNoLhC5fW1E3LShohXY2 hlgPY0yA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ujFhy-0000000CamD-3qq9; Tue, 05 Aug 2025 11:19:54 +0000 Received: from mail-wr1-x435.google.com ([2a00:1450:4864:20::435]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ujFdf-0000000CaGJ-1slp for barebox@lists.infradead.org; Tue, 05 Aug 2025 11:15:29 +0000 Received: by mail-wr1-x435.google.com with SMTP id ffacd0b85a97d-3b783d851e6so4586965f8f.0 for ; Tue, 05 Aug 2025 04:15:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1754392525; x=1754997325; darn=lists.infradead.org; h=mime-version:references:in-reply-to:message-id:cc:to:subject:from :date:from:to:cc:subject:date:message-id:reply-to; bh=7UwLkVxj7iUggGhEbvQQe3B5JsA+5SRZUB4UNLu81ME=; b=MDPc/G7ziJKVPolp/TuKQ5wH++2y9NqkhBSiwjuVOSOYkXKGmcnr+NJZv4VeqIVh9z veOpIvcs9RYBsP2+M2x+LXVkvnENU6Yh+0A9BBe8f5AhtqcurrQCAByZNT9Z3azpovBX ewSJt+1IzXgoHB4qLGZgZGx22DtD2du2fu5UsNaNhtyTdDHaBHOpwFYgHBzk5J16qN8/ WkQleeaz81GAKyScYooMuzyH8UcZGSHjHYgafIRnKMX8XwFaYcXQkxGrh6mQRoTMtnr9 7dc0I7UILS5cMvKmDL8WO82sSCSUlUE/cH/qqXT7cGJMbmDaA496EMR8dsxnE+M/x2Rk CrqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754392525; x=1754997325; h=mime-version:references:in-reply-to:message-id:cc:to:subject:from :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=7UwLkVxj7iUggGhEbvQQe3B5JsA+5SRZUB4UNLu81ME=; b=stnb2U0AM1G5pVl+arLiobqCV2lkhM3B0GyS/4HAo2WzaHc1ddgq1dlJ0lZEOfVpEU f/+DO9EOvP6pRg5wVAzkJQSQx0chJSiQ8RVSYzbyht5WPH08IRrhIq3IDfm31Qfb3loo Wfc3STMoGBs4EhZod1F78UcFuaYWpqKPCRcaeS/S80qvpKaPvNV5U4KAMinWRkFGuATJ ObpdwToGIPyFpK78vRPUa1z3Cm6lAtb4RyV9Y7DEYpJ9coeU/NVJ/Hf5bS+4qTDJiqxy Y5HcPi+b4GSXEgml/x2rmh5CutmuwPig66dRsHTinjZMr1HQ7VS3hJVcPxsR98kpWWSY e6UQ== X-Gm-Message-State: AOJu0Yz4V5KAYmOMQd2ztk5bMf50xgdAVFI0DznZ2MrDFh+s4jwloES7 OyQzhGQNHLvY2b05lwjbykGQmJoEg+Py8NU/6yoXklHDjZrhY+uw36psJnOVIw== X-Gm-Gg: ASbGncvx32j/WsCbwfCBM8ojy2IL+uyo/2sEUmiIUG0dg4MC2fOGuyn3ndTBDLIRTPU tVh9CcPYQwBgxMtcYEt93xuTdKu0NnqidqKiCTkcRDAXRSR0VYOkNPZY5qF4oM8oJ2UTxjPzUKL HtMf67Ia4N/b+cdyHiJ1ZlQXtQZLvU5WCbTnWiDNStLxvh9N6ymW91T6oLop/Kb36P38bhv4m/m hIy5GVFeDHtq9Bfm0Z62PAfOd6E/aRu8CrZBK12zNCy9I77p4q/jCXQkAa7SIsQkmdh2R06h66J ofxx9bKlhdvlzvcpRUThnu+QDFWn2y7UxMkY1NwZRDGT3UM1G+8nzYRaXn7QSOjTMPYoTMK9lez YSsZsFkMHPok9yCh0sNyjI9Wrsh4EVnjuZfbkaUOQ6/cV2+MmHJkewH091Ve19879 X-Google-Smtp-Source: AGHT+IE0dKOhWZNz/aqhKZ1gszvVNRNyAM304Q+VGg/3tA5hKHkCXceiiY3XYH48EweOqnbKT35u2A== X-Received: by 2002:a05:6000:26cb:b0:3b7:8c98:2f4c with SMTP id ffacd0b85a97d-3b8d94bac01mr9010202f8f.33.1754392524934; Tue, 05 Aug 2025 04:15:24 -0700 (PDT) Received: from [192.168.241.169] (2-224-27-56.ip168.fastwebnet.it. [2.224.27.56]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b79c469582sm18558241f8f.52.2025.08.05.04.15.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Aug 2025 04:15:24 -0700 (PDT) Date: Tue, 05 Aug 2025 15:14:56 +0200 From: Stefano Manni To: Sascha Hauer Cc: Barebox List , Ahmad Fatoum Message-Id: In-Reply-To: <20250805072537.3484221-1-s.hauer@pengutronix.de> References: <20250805072537.3484221-1-s.hauer@pengutronix.de> X-Mailer: geary/46.0 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250805_041527_484313_8E7DCAFC X-CRM114-Status: GOOD ( 17.04 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.3 required=4.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH] cdev: fix mtd partition handling X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On mar, ago 5 2025 at 09:25:37 +02:00:00, Sascha Hauer wrote: > devfs-core.c implements the partition handling only for devices that > are > not MTD devices. MTD devices have their own partition handling in > drivers/mtd/partition.c, see the special case in > __devfs_add_partition() > for MTD devices. This means for MTD devices we have to pass the > original > cdev to the ops, not the master cdev. > > Fixes: 6d2b6f399c07 ("cdev: pass master cdev to cdev ops") > Signed-off-by: Sascha Hauer > --- > fs/devfs-core.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/fs/devfs-core.c b/fs/devfs-core.c > index 52490576b7..9c2dae5545 100644 > --- a/fs/devfs-core.c > +++ b/fs/devfs-core.c > @@ -226,6 +226,10 @@ int cdev_find_free_index(const char *basename) > > static struct cdev *cdev_get_master(struct cdev *cdev) > { > + /* mtd devices handle partitions themselves */ > + if (cdev->mtd) > + return cdev; > + > while (cdev && cdev_is_partition(cdev)) > cdev = cdev->master; > > -- > 2.39.5 > Tested-by: Stefano Manni