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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DD18DCE7A81 for ; Mon, 25 Sep 2023 15:06:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=7j+SLFKUvvlUljiykOshY/6ibYneE+SL8pW7yzqQ6YM=; b=FXmEglGv0nh6ZR l8guNWkwt/pR9E/YTMCZkUor734TnZviyXDubTxB0uvmq8T0Kj7tYqR9IcJkkhAwr2VuFeR5mP6Kz nVxkdthiTDtvrMAHx9Atx7LvrrHhbO2TurnHCPH9xJZHWoixtFt8zjiZxQu71FmSIkQ3S/q9Y+znJ D7dXTRM3CnLIb0Exf6yWONQOu5fJm8k1ws57veZ0M6kOvtvzBglHufkrkknwKN3XJXB0oqe+OxpcK RytpW/A3oFonKvtecZNy4Zwb85c97JUGxKXRCfxvP7tTfckFNZ50jMhnAoc3+WrM/fX/Z3upmxWBR imVALvQOlmP2xWTskRfg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qknAh-00EVPU-1I; Mon, 25 Sep 2023 15:06:51 +0000 Received: from relay9-d.mail.gandi.net ([2001:4b98:dc4:8::229]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qknAe-00EVOr-11 for linux-mtd@lists.infradead.org; Mon, 25 Sep 2023 15:06:49 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id 6555FFF803; Mon, 25 Sep 2023 15:06:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1695654405; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=rx/EG4jd4jHL2lV5ytyB7NVrkU81Ryi4t8x6wQD0E/E=; b=HsdV5A7S5Cgx7iUEk3lGCspxarqh1ho6CpXYqe/XNNmsKYYGuLVxCixkU9gbapjj4FzsMb SUE+yJ3BxURbBBgiCRzCdLACu4dQbvSDPNd4nB0hofgVbjzpiZYyMU6TmqRpAbtJFvLU3T 3f/pGSp6GtmFp/WN2HfSL7p7k2727RHv3pQFXe71L/X+Y3tohV/3qBMNT9LnlXGqPPG6vN ZjQYgJNTBURvL+ONmsaAcNsYa8tOT6vQRoE0uStY/dm5J6/d1WSPI1yRQrB0700uTkNUgL jrqJkmxuXFA0z0pHXddE3UsglfFXUU4xOEHu4pO+0R02Ts8EuM4fYxvETQB50A== Date: Mon, 25 Sep 2023 17:06:42 +0200 From: Miquel Raynal To: Richard Weinberger Cc: ZhaoLong Wang , Vignesh Raghavendra , linux-mtd , linux-kernel , chengzhihao1 , yi zhang , yangerkun Subject: Re: [RFC] mtd: Fix error code loss in mtdchar_read() function. Message-ID: <20230925170642.089e543b@xps-13> In-Reply-To: <488305749.81257.1695653971403.JavaMail.zimbra@nod.at> References: <20230923005856.2538223-1-wangzhaolong1@huawei.com> <1131184426.81026.1695650583370.JavaMail.zimbra@nod.at> <20230925163727.7ecebe9a@xps-13> <488305749.81257.1695653971403.JavaMail.zimbra@nod.at> Organization: Bootlin X-Mailer: Claws Mail 4.0.0 (GTK+ 3.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-GND-Sasl: miquel.raynal@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230925_080648_654161_43507B64 X-CRM114-Status: GOOD ( 14.83 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org CnJpY2hhcmRAbm9kLmF0IHdyb3RlIG9uIE1vbiwgMjUgU2VwIDIwMjMgMTY6NTk6MzEgKzAyMDAg KENFU1QpOgoKPiAtLS0tLSBVcnNwcsO8bmdsaWNoZSBNYWlsIC0tLS0tCj4gPiBWb246ICJNaXF1 ZWwgUmF5bmFsIiA8bWlxdWVsLnJheW5hbEBib290bGluLmNvbT4gIAo+ID4+IEdpdmVuIHRoaXMg YSBzZWNvbmQgdGhvdWdodC4gSSBkb24ndCB0aGluayBhIE5BTkQgZHJpdmVyIGlzIGFsbG93ZWQg dG8gcmV0dXJuCj4gPj4gbGVzcyB0aGFuIHJlcXVlc3RzIGJ5dGVzIGFuZCBzZXR0aW5nIEVCQURN U0cuCj4gPj4gVUJJJ3MgSU8gcGF0aCBoYXMgYSBjb21tZW50IG9uIHRoYXQ6Cj4gPj4gCj4gPj4g ICAgICAgICAgICAgICAgIC8qCj4gPj4gICAgICAgICAgICAgICAgICAqIFRoZSBkcml2ZXIgc2hv dWxkIG5ldmVyIHJldHVybiAtRUJBRE1TRyBpZiBpdCBmYWlsZWQgdG8gcmVhZAo+ID4+ICAgICAg ICAgICAgICAgICAgKiBhbGwgdGhlIHJlcXVlc3RlZCBkYXRhLiBCdXQgc29tZSBidWdneSBkcml2 ZXJzIG1pZ2h0IGRvCj4gPj4gICAgICAgICAgICAgICAgICAqIHRoaXMsIHNvIHdlIGNoYW5nZSBp dCB0byAtRUlPLgo+ID4+ICAgICAgICAgICAgICAgICAgKi8KPiA+PiAgICAgICAgICAgICAgICAg aWYgKHJlYWQgIT0gbGVuICYmIG10ZF9pc19lY2NlcnIoZXJyKSkgewo+ID4+ICAgICAgICAgICAg ICAgICAgICAgICAgIHViaV9hc3NlcnQoMCk7Cj4gPj4gICAgICAgICAgICAgICAgICAgICAgICAg ZXJyID0gLUVJTzsKPiA+PiAgICAgICAgICAgICAgICAgfSAgCj4gPiAKPiA+IEludGVyZXN0aW5n LiBTaGFsbCB3ZSBhZGQgdGhpcyBjaGVjayB0byB0aGUgbXRkX3JlYWQoKSBwYXRoIGFzIHdlbGw/ Cj4gPiAKPiA+IE1heWJlIHdpdGggYSBXQVJOX09OKCk/ICAKPiAKPiBXQVJOX09OX09OQ0UoKSwg cGxlYXNlLiBCdXQgeWVzLCBsZXQncyBhZGQgaXQuCgpaaGFvbG9uZywgY2FuIHlvdSB0YWtlIGNh cmUgb2YgaXQ/Cgo+IAo+IFRoYW5rcywKPiAvL3JpY2hhcmQKCgpUaGFua3MsCk1pcXXDqGwKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpMaW51 eCBNVEQgZGlzY3Vzc2lvbiBtYWlsaW5nIGxpc3QKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcv bWFpbG1hbi9saXN0aW5mby9saW51eC1tdGQvCg==