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 815D9C32771 for ; Wed, 28 Sep 2022 10:31:36 +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:In-Reply-To:MIME-Version:References: 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=fP7y/RvRuifZbVGma5TfIg2ivgBagGU+eX8PILllypE=; b=AQ79+cEyDg1QSn qSzfEh+92pYHBsHZHcQqHhDjwcBjgVxUFVHhkSDQQ6we2WaRh4Oy0xT8kXEtcKf5Tc0Bt7nkHyJKn LUMPMIL5E+IOqIJ1oVrdrgt8L8vn5F2OQYRy9oEW3RFyB+1lOD3zgk2rCzqoRjRTjAJGFulUR19OQ BgcrP+l6/tXZPc+hRNvw+sAcpsXr6kdFg8A66D2ThYeHHbhEMrelI5xVgnnxzQGZAGpavU5oFBWCi GzWuB/ZkwfJ08SsFDa3lMDCF3rJgz6dVxXXEKL/l5lMhu4cYzMyNtr+AgEWFyU+/Sa4pEKiUE9cI+ re+u1GGKR24ahG+TwjsA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1odUKr-00Fd1Q-DG; Wed, 28 Sep 2022 10:30:38 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1odUKl-00Fcyh-HB; Wed, 28 Sep 2022 10:30:33 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CCF1761DF2; Wed, 28 Sep 2022 10:30:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 35245C433D6; Wed, 28 Sep 2022 10:30:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1664361030; bh=UzGll+k8wBj+Ek0YtUWqd2Ht46Qd8HsBBj7woBZT0JU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=lriRxLomhxJEbw/wrLv0ke0UK4s3oUWcxVbIfkRMPPJgozbbJHN31fiYiMQ5rEguj XykGCfkNkdlAhUSO3gFICVekG/XhZf4BadVDR5M8xyrU6qJO1n0v5cDggL+7aLEiHC BknJQFhzMN0/4yqywDr8UpQdZhREMSSEBAczEIlEL6COPWlE4hmBtzi4J4WlCI6Vt1 k+s7eW/Itvo0LAKpfYQDrdOvfqmzdW054T1bkAB1yY94JDAqbj+FfRqpmeiTUizFKR uKHJ/FUVKMlkHgNOOtUZXYPwh7SmJh+PfmXIm7NPLs7Oy8pVMmUIFt8SwKrjKkG3o1 jG16SjD1WPHag== Date: Wed, 28 Sep 2022 11:30:24 +0100 From: Lee Jones To: cy_huang Cc: matthias.bgg@gmail.com, gene_chen@richtek.com, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, ChiYuan Huang , stable@vger.kernel.org Subject: Re: [PATCH] mfd: mt6360: add bound check in regmap read/write function Message-ID: References: <1663143973-29254-1-git-send-email-u0084500@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1663143973-29254-1-git-send-email-u0084500@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220928_033031_644279_161163F0 X-CRM114-Status: GOOD ( 20.57 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 T24gV2VkLCAxNCBTZXAgMjAyMiwgY3lfaHVhbmcgd3JvdGU6Cgo+IEZyb206IENoaVl1YW4gSHVh bmcgPGN5X2h1YW5nQHJpY2h0ZWsuY29tPgo+IAo+IEZpeCB0aGUgcG90ZW50aWFsIHJpc2sgZm9y IG51bGwgcG9pbnRlciBpZiBiYW5rIGluZGV4IGlzIG92ZXIgdGhlIG1heGltaW11bS4KPiAKPiBS ZWZlciB0byB0aGUgZGlzY3Vzc2lvbiBsaXN0IGZvciB0aGUgZXhwZXJpbWVudCByZXN1bHQgb24g bXQ2MzcwLgo+IGh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL2FsbC8yMDIyMDkxNDAxMzM0NS5HQTU4 MDJAY3lodWFuZy1ocC1lbGl0ZWJvb2stODQwLWczLnJ0Lwo+IElmIG5vdCB0byBjaGVjayB0aGUg Ym91bmQsIHRoZXJlIGlzIHRoZSBzYW1lIGlzc3VlIG9uIG10NjM2MC4KPiAKPiBGaXhlczogM2Iw ODUwNDQwYTA2YyAobWZkOiBtdDYzNjA6IE1lcmdlIGRpZmZlcmVudCBzdWItZGV2aWNlcyBJMkMg cmVhZC93cml0ZSkKPiBDYzogc3RhYmxlQHZnZXIua2VybmVsLm9yZwo+IFNpZ25lZC1vZmYtYnk6 IENoaVl1YW4gSHVhbmcgPGN5X2h1YW5nQHJpY2h0ZWsuY29tPgo+IC0tLQo+ICBkcml2ZXJzL21m ZC9tdDYzNjAtY29yZS5jIHwgNiArKysrKysKPiAgMSBmaWxlIGNoYW5nZWQsIDYgaW5zZXJ0aW9u cygrKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL21mZC9tdDYzNjAtY29yZS5jIGIvZHJpdmVy cy9tZmQvbXQ2MzYwLWNvcmUuYwo+IGluZGV4IDZlYWE2NzcuLmQzNzUzMzMgMTAwNjQ0Cj4gLS0t IGEvZHJpdmVycy9tZmQvbXQ2MzYwLWNvcmUuYwo+ICsrKyBiL2RyaXZlcnMvbWZkL210NjM2MC1j b3JlLmMKPiBAQCAtNDEwLDYgKzQxMCw5IEBAIHN0YXRpYyBpbnQgbXQ2MzYwX3JlZ21hcF9yZWFk KHZvaWQgKmNvbnRleHQsIGNvbnN0IHZvaWQgKnJlZywgc2l6ZV90IHJlZ19zaXplLAo+ICAJdTgg Y3JjOwo+ICAJaW50IHJldDsKPiAgCj4gKwlpZiAoYmFuayA+PSBNVDYzNjBfU0xBVkVfTUFYKQo+ ICsJCXJldHVybiAtRUlOVkFMOwo+ICsKCkl0J3MgdG9vIGxhdGUgdG8gY2hlY2sgYmFuaydzIHZh bHVlIGhlcmUsIHdlIGhhdmUgYWxyZWFkeSB1c2VkIGl0IHRvCmluZGV4IGludG8gYW4gYXJyYXkg YnkgdGhpcyBwb2ludC4gIFBsZWFzZSBmaXggdGhhdC4KCj4gIAlpZiAoYmFuayA9PSBNVDYzNjBf U0xBVkVfUE1JQyB8fCBiYW5rID09IE1UNjM2MF9TTEFWRV9MRE8pIHsKPiAgCQljcmNfbmVlZGVk ID0gdHJ1ZTsKPiAgCQlyZXQgPSBtdDYzNjBfeGxhdGVfcG1pY2xkb19hZGRyKCZyZWdfYWRkciwg dmFsX3NpemUpOwo+IEBAIC00NjAsNiArNDYzLDkgQEAgc3RhdGljIGludCBtdDYzNjBfcmVnbWFw X3dyaXRlKHZvaWQgKmNvbnRleHQsIGNvbnN0IHZvaWQgKnZhbCwgc2l6ZV90IHZhbF9zaXplKQo+ ICAJaW50IHdyaXRlX3NpemUgPSB2YWxfc2l6ZSAtIE1UNjM2MF9SRUdNQVBfUkVHX0JZVEVfU0la RTsKPiAgCWludCByZXQ7Cj4gIAo+ICsJaWYgKGJhbmsgPj0gTVQ2MzYwX1NMQVZFX01BWCkKPiAr CQlyZXR1cm4gLUVJTlZBTDsKPiArCj4gIAlpZiAoYmFuayA9PSBNVDYzNjBfU0xBVkVfUE1JQyB8 fCBiYW5rID09IE1UNjM2MF9TTEFWRV9MRE8pIHsKPiAgCQljcmNfbmVlZGVkID0gdHJ1ZTsKPiAg CQlyZXQgPSBtdDYzNjBfeGxhdGVfcG1pY2xkb19hZGRyKCZyZWdfYWRkciwgdmFsX3NpemUgLSBN VDYzNjBfUkVHTUFQX1JFR19CWVRFX1NJWkUpOwoKLS0gCkxlZSBKb25lcyBb5p2O55C85pavXQoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJt LWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3Jn Cmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtl cm5lbAo=