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=-14.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_2 autolearn=ham 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 71FF2C433E2 for ; Thu, 17 Sep 2020 16:31:37 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 05E3F22211 for ; Thu, 17 Sep 2020 16:31:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="CJrgUYne" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 05E3F22211 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID: Subject: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=Yl7F1GkNTqTDPR/sQmvR1meMSv8crJnzUwwc5mwoU3Y=; b=CJrgUYneFFOqfWBP+ikfTV11Q y3GVEhFSGUw338yVuMMWob9VwnT1gwT1BibqHJYKlKd1isiWzoYb/JlZk2A+2LsNPOdGtIrvz+U0H WP4bqItYbeNkXXWDsGyLTDeTckqCz6ccI1Z4nXSQ1tmo0APOn1ce484dAsJhb7F5CROOkP+V6bLrK zbQnP8ZdNh1nKAVfElyF62SFRw0vLp6VfLRVPXAbE2GhOqtmqcZOL6vSW2cVIK7BeoysjT7r94Ahy TlIkNP0+pnhYq4dDCTD1C2Af3IVmDgbtNLxCKIK5/Ec7l3wFlTmIbfnqHKyYNNXmvW53I+x3ZZJTM PjmXzzsnA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIwnW-0003Ug-M7; Thu, 17 Sep 2020 16:30:14 +0000 Received: from relay8-d.mail.gandi.net ([217.70.183.201]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIwnT-0003U3-Ts; Thu, 17 Sep 2020 16:30:12 +0000 X-Originating-IP: 91.224.148.103 Received: from xps13 (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay8-d.mail.gandi.net (Postfix) with ESMTPSA id E6D0F1BF217; Thu, 17 Sep 2020 16:30:02 +0000 (UTC) Date: Thu, 17 Sep 2020 18:30:01 +0200 From: Miquel Raynal To: Evgeny Novikov Subject: Re: [PATCH] mtd: rawnand: mtk: avoid underflow in mtk_nfc_nand_chip_init() Message-ID: <20200917183001.393245e8@xps13> In-Reply-To: <20200916194045.6378-1-novikov@ispras.ru> References: <20200916194045.6378-1-novikov@ispras.ru> Organization: Bootlin X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200917_123012_082204_C40A41AE X-CRM114-Status: GOOD ( 18.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ldv-project@linuxtesting.org, Vignesh Raghavendra , "Gustavo A. R. Silva" , Richard Weinberger , linux-kernel@vger.kernel.org, Stephen Boyd , Masahiro Yamada , Boris Brezillon , linux-mtd@lists.infradead.org, Matthias Brugger , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SGkgRXZnZW55LAoKRXZnZW55IE5vdmlrb3YgPG5vdmlrb3ZAaXNwcmFzLnJ1PiB3cm90ZSBvbiBX ZWQsIDE2IFNlcCAyMDIwIDIyOjQwOjQ1CiswMzAwOgoKPiBJZiBvZl9nZXRfcHJvcGVydHkoKSB3 aWxsIHNldCBuc2VscyB0byBuZWdhdGl2ZSB2YWx1ZXMgdGhlIGRyaXZlciBtYXkKCklzIHRoaXMg cmVhbGx5IGEgcG9zc2libGUgY2FzZT8KCkxvb2tpbmcgYXQgdGhlIE9GIGNvZGUsIEkgZG9uJ3Qg dGhpbmsgaXQgY2FuIGV2ZXIgaGFwcGVuLi4uCgo+IGFsbG9jYXRlIGluc3VmZmljaWVudCBtZW1v cnkgZm9yIGNoaXAuIE1vcmVvdmVyLCB0aGVyZSBtYXkgYmUgdW5kZXJmbG93Cj4gZm9yIGRldm1f a3phbGxvYygpLiBUaGlzIGNhbiByZXN1bHQgaW4gdmFyaW91cyBiYWQgY29uc2VxdWVuY2VzIGxh dGVyLgo+IFRoZSBwYXRjaCBjYXVzZXMgbXRrX25mY19uYW5kX2NoaXBfaW5pdCgpIHRvIGZhaWwg Zm9yIG5lZ2F0aXZlIHZhbHVlcyBvZgo+IG5zZWxzLgo+IAo+IEZvdW5kIGJ5IExpbnV4IERyaXZl ciBWZXJpZmljYXRpb24gcHJvamVjdCAobGludXh0ZXN0aW5nLm9yZykuCj4gCj4gU2lnbmVkLW9m Zi1ieTogRXZnZW55IE5vdmlrb3YgPG5vdmlrb3ZAaXNwcmFzLnJ1Pgo+IC0tLQo+ICBkcml2ZXJz L210ZC9uYW5kL3Jhdy9tdGtfbmFuZC5jIHwgMiArLQo+ICAxIGZpbGUgY2hhbmdlZCwgMSBpbnNl cnRpb24oKyksIDEgZGVsZXRpb24oLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9tdGQvbmFu ZC9yYXcvbXRrX25hbmQuYyBiL2RyaXZlcnMvbXRkL25hbmQvcmF3L210a19uYW5kLmMKPiBpbmRl eCBhZDFiNTVkYWIyMTEuLmRmOThhMmVlYzI0MCAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL210ZC9u YW5kL3Jhdy9tdGtfbmFuZC5jCj4gKysrIGIvZHJpdmVycy9tdGQvbmFuZC9yYXcvbXRrX25hbmQu Ywo+IEBAIC0xMzc2LDcgKzEzNzYsNyBAQCBzdGF0aWMgaW50IG10a19uZmNfbmFuZF9jaGlwX2lu aXQoc3RydWN0IGRldmljZSAqZGV2LCBzdHJ1Y3QgbXRrX25mYyAqbmZjLAo+ICAJCXJldHVybiAt RU5PREVWOwo+ICAKPiAgCW5zZWxzIC89IHNpemVvZih1MzIpOwo+IC0JaWYgKCFuc2VscyB8fCBu c2VscyA+IE1US19OQU5EX01BWF9OU0VMUykgewo+ICsJaWYgKG5zZWxzIDw9IDAgfHwgbnNlbHMg PiBNVEtfTkFORF9NQVhfTlNFTFMpIHsKPiAgCQlkZXZfZXJyKGRldiwgImludmFsaWQgcmVnIHBy b3BlcnR5IHNpemUgJWRcbiIsIG5zZWxzKTsKPiAgCQlyZXR1cm4gLUVJTlZBTDsKPiAgCX0KClRo YW5rcywKTWlxdcOobAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0 cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGlu Zm8vbGludXgtYXJtLWtlcm5lbAo=