From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 88D3643DA55; Thu, 4 Jun 2026 12:15:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.3 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780575326; cv=none; b=S+mHfvG2AeXahEGxrlItl3+BCrC2n0pTKqUmTTyMyaWo4B1Dn1l31kurXAB7wDn1c7WP6GMpL/BhL9uDVT/mnjZdZbl5CnU2urDNxM8b8ZkT/ymacAXHojc3aGdm2Vq/vtaoniD52N+ptO0n8PGjzz2SVxMhXWwq0CjR3m/oJEA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780575326; c=relaxed/simple; bh=EkyWnoWUzPKbnh692cDu96itTwqxnfJoZ0AlSUbA7fA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:Content-Type: MIME-Version:Message-ID; b=SrAzj8+UotxvWtJa+E2E6Odf/yxO+kTyo3bdLBrvg515zTrF0H2VKvT1rAn+uprQjv3hBYWvqQR7vD5sXRWL428RY2nj6eyENywewvBWwmresRdI+yCon6RNBDU2tB9W+aSQaWx7MaFf33l1WAFXMJR5dt3Kfa72y6RNgoi2OPs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=UkVOW6BE; arc=none smtp.client-ip=220.197.31.3 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="UkVOW6BE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:To:Subject:Content-Type:MIME-Version: Message-ID; bh=EkyWnoWUzPKbnh692cDu96itTwqxnfJoZ0AlSUbA7fA=; b=U kVOW6BEXgNTFh55qFVh962tXhzF8cpomJd1/K5sPZn3tqPaWHyz/4Ge7SRu2vzrp yM3IX6nNoLiyXju+/MLODHGn/mkLzLNWidjayMKvBNIrjoCqR2laeVR5V99S34zd mt0vHlb2NvQaW2zmpAco74GgmKg8DxNSC8FrpNxUws= Received: from w15303746062$163.com ( [113.200.174.80] ) by ajax-webmail-wmsvr-40-139 (Coremail) ; Thu, 4 Jun 2026 20:14:52 +0800 (CST) Date: Thu, 4 Jun 2026 20:14:52 +0800 (CST) From: w15303746062 To: jdelvare@suse.com, andi.shyti@kernel.org Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, "Mingyu Wang" <25181214217@stu.xidian.edu.cn>, stable@vger.kernel.org Subject: Re:[PATCH v2] i2c: i801: fix hardware state machine corruption in error path X-Priority: 3 X-Mailer: Coremail Webmail Server Version 2023.4-cmXT build 20260403(27802f6d) Copyright (c) 2002-2026 www.mailtech.cn 163com In-Reply-To: <20260512093534.348655-1-w15303746062@163.com> References: <20260512093534.348655-1-w15303746062@163.com> X-NTES-SC: AL_Qu2TAvmcukoi5CKRYOkfmU0Qguw9Xcq5uPkj34FWN5t8jBHo5DwgRW1dDETv98+JMgaTmhKYQh1n599XY4JFX4E5lNHAY++hl+xq5hpLf+nRrw== Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <47aa218a.9e42.19e928ecb94.Coremail.w15303746062@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:iygvCgDXXwo8bCFq2qMCAA--.3910W X-CM-SenderInfo: jzrvjiatxuliiws6il2tof0z/xtbC4xwN8GohbDzpgwAA3z X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== CgpIaSBKZWFuLCBBbmRpLAoKSnVzdCBhIGdlbnRsZSBwaW5nIG9uIHRoaXMgdjIgcGF0Y2guIEl0 IHJldXNlcyB0aGUgZXhpc3RpbmcgJ291dCcgbGFiZWwgdG8gZml4IAp0aGUgdW51c2VkIGxhYmVs IHdhcm5pbmcgYW5kIHVwZGF0ZXMgdGhlIGNvbW1pdCBtZXNzYWdlIGV4YWN0bHkgYXMgSmVhbiBz dWdnZXN0ZWQuCgpQbGVhc2UgbGV0IG1lIGtub3cgaWYgdGhlcmUgaXMgYW55dGhpbmcgZWxzZSBu ZWVkZWQgZnJvbSBteSBzaWRlLCBvciBpZiAKaXQgaXMgZ29vZCB0byBiZSBxdWV1ZWQgdXAuCgpU aGFua3MsCk1pbmd5dQoKQXQgMjAyNi0wNS0xMiAxNzozNTozNCwgdzE1MzAzNzQ2MDYyQDE2My5j b20gd3JvdGU6Cj5Gcm9tOiBNaW5neXUgV2FuZyA8MjUxODEyMTQyMTdAc3R1LnhpZGlhbi5lZHUu Y24+Cj4KPkEgc2V2ZXJlIGxpdmVsb2NrIGFuZCBzdWJzZXF1ZW50IEh1bmcgVGFzayBwYW5pYyB3 ZXJlIG9ic2VydmVkIGluIHRoZQo+aTJjLWk4MDEgZHJpdmVyIGR1cmluZyBjb25jdXJyZW50IEZ1 enppbmcuIFRoZSBjcmFzaCBpcyBjYXVzZWQgYnkgYW4KPnVuY29uZGl0aW9uYWwgaGFyZHdhcmUg cmVnaXN0ZXIgY2xlYW51cCBpbiB0aGUgZXJyb3IgaGFuZGxpbmcgcGF0aCBvZgo+aTgwMV9hY2Nl c3MoKS4KPgo+V2hlbiBpODAxX2NoZWNrX3ByZSgpIGZhaWxzIChlLmcuLCByZXR1cm5pbmcgLUVC VVNZIGJlY2F1c2UgdGhlIFNNQnVzCj5jb250cm9sbGVyIGlzIGFjdGl2ZWx5IHVzZWQgYnkgQklP Uy9BQ1BJKSwgdGhlIGtlcm5lbCBkb2VzIG5vdCBhY3R1YWxseQo+YWNxdWlyZSB0aGUgaGFyZHdh cmUgb3duZXJzaGlwLiBIb3dldmVyLCB0aGUgY29kZSBqdW1wcyB0byB0aGUgJ291dCcKPmxhYmVs IGFuZCBleGVjdXRlczoKPgo+ICAgIGlvd3JpdGU4KFNNQkhTVFNUU19JTlVTRV9TVFMgfCBTVEFU VVNfRkxBR1MsIFNNQkhTVFNUUyhwcml2KSk7Cj4KPlRoaXMgZm9yY2VmdWxseSBjbGVhcnMgdGhl IElOVVNFX1NUUyBsb2NrIGFuZCByZXNldHMgdGhlIGhhcmR3YXJlIHN0YXR1cwo+ZmxhZ3Mgd2l0 aG91dCBvd25pbmcgdGhlIGNvbnRyb2xsZXIuIERvaW5nIHNvIGludGVycnVwdHMgb25nb2luZyBC SU9TL0FDUEkKPnRyYW5zYWN0aW9ucyBhbmQgdG90YWxseSBjb3JydXB0cyB0aGUgU01CdXMgaGFy ZHdhcmUgc3RhdGUgbWFjaGluZS4KPgo+Q29uc2VxdWVudGx5LCBhbGwgc3Vic2VxdWVudCBpODAx X2FjY2VzcygpIGNhbGxzIGZhaWwgYXQgdGhlIHByZS1jaGVjawo+c3RhZ2UsIHRyaWdnZXJpbmcg YW4gZW5kbGVzcyBzdHJlYW0gb2YgIlNNQnVzIGlzIGJ1c3ksIGNhbid0IHVzZSBpdCEiCj5lcnJv ciBsb2dzLiBPdmVyIGEgc2xvdyBzZXJpYWwgY29uc29sZSwgdGhpcyBwcmludGsgZmxvb2QgbW9u b3BvbGl6ZXMKPnRoZSBDUFUgKENvbnNvbGUgTGl2ZWxvY2spLCBzdGFydmluZyBvdGhlciBwcm9j ZXNzZXMgdHJ5aW5nIHRvIGFjcXVpcmUKPnRoZSBtbWFwX2xvY2sgZG93bl9yZWFkIHNlbWFwaG9y ZSwgdWx0aW1hdGVseSB0cmlnZ2VyaW5nIHRoZSBodW5nIHRhc2sKPndhdGNoZG9nLgo+Cj5GaXgg dGhpcyBieSBtb3ZpbmcgdGhlICdvdXQnIGxhYmVsIGJlbG93IHRoZSBoYXJkd2FyZSByZWdpc3Rl ciBjbGVhbnVwLgo+SWYgaTgwMV9jaGVja19wcmUoKSBmYWlscywgd2Ugc2FmZWx5IGJ5cGFzcyB0 aGUgaW93cml0ZTgoKSBhbmQgb25seQo+cmVsZWFzZSB0aGUgc29mdHdhcmUgbG9ja3MgKHBtX3J1 bnRpbWUgYW5kIG11dGV4KSwgc3RyaWN0bHkgYWRoZXJpbmcgdG8KPnRoZSBydWxlIG9mIG5vdCBy ZWxlYXNpbmcgcmVzb3VyY2VzIHRoYXQgd2VyZSBuZXZlciBhY3F1aXJlZC4KPgo+Rml4ZXM6IDFm NzYwYjg3ZTU0YyAoImkyYzogaTgwMTogQ2FsbCBpODAxX2NoZWNrX3ByZSgpIGZyb20gaTgwMV9h Y2Nlc3MoKSIpCj5DYzogc3RhYmxlQHZnZXIua2VybmVsLm9yZyAjIHY2LjMrCj4KPlNpZ25lZC1v ZmYtYnk6IE1pbmd5dSBXYW5nIDwyNTE4MTIxNDIxN0BzdHUueGlkaWFuLmVkdS5jbj4KPi0tLQo+ Q2hhbmdlcyBpbiB2MjoKPiAtIFJldXNlZCBhbmQgbW92ZWQgdGhlIGV4aXN0aW5nICdvdXQnIGxh YmVsIGluc3RlYWQgb2YgYWRkaW5nIGEgbmV3IG9uZSwKPiAgIGZpeGluZyBhIGJ1aWxkIHdhcm5p bmcgcmVnYXJkaW5nIGFuIHVudXNlZCBsYWJlbC4KPiAtIERyb3BwZWQgdGhlIGluYWNjdXJhdGUg bWVudGlvbiBvZiAiYW5vdGhlciB0aHJlYWQiIGluIHRoZSBjb21taXQgbWVzc2FnZSwKPiAgIGFz IGk4MDFfYWNjZXNzKCkgaXMgc2VyaWFsaXplZCBieSBhIG11dGV4Lgo+IC0gQWRkZWQgRml4ZXMg YW5kIENjIHN0YWJsZSB0YWdzIGFzIHN1Z2dlc3RlZC4KPgo+IGRyaXZlcnMvaTJjL2J1c3Nlcy9p MmMtaTgwMS5jIHwgMiArLQo+IDEgZmlsZSBjaGFuZ2VkLCAxIGluc2VydGlvbigrKSwgMSBkZWxl dGlvbigtKQo+Cj5kaWZmIC0tZ2l0IGEvZHJpdmVycy9pMmMvYnVzc2VzL2kyYy1pODAxLmMgYi9k cml2ZXJzL2kyYy9idXNzZXMvaTJjLWk4MDEuYwo+aW5kZXggMzJhM2NlZjAyYzdiLi5iMjljOTll ZDM4ODMgMTAwNjQ0Cj4tLS0gYS9kcml2ZXJzL2kyYy9idXNzZXMvaTJjLWk4MDEuYwo+KysrIGIv ZHJpdmVycy9pMmMvYnVzc2VzL2kyYy1pODAxLmMKPkBAIC05MzEsMTMgKzkzMSwxMyBAQCBzdGF0 aWMgczMyIGk4MDFfYWNjZXNzKHN0cnVjdCBpMmNfYWRhcHRlciAqYWRhcCwgdTE2IGFkZHIsCj4g CSAqLwo+IAlpZiAoaHdwZWMpCj4gCQlpb3dyaXRlOChpb3JlYWQ4KFNNQkFVWENUTChwcml2KSkg JiB+U01CQVVYQ1RMX0NSQywgU01CQVVYQ1RMKHByaXYpKTsKPi1vdXQ6Cj4gCS8qCj4gCSAqIFVu bG9jayB0aGUgU01CdXMgZGV2aWNlIGZvciB1c2UgYnkgQklPUy9BQ1BJLAo+IAkgKiBhbmQgY2xl YXIgc3RhdHVzIGZsYWdzIGlmIG5vdCBkb25lIGFscmVhZHkuCj4gCSAqLwo+IAlpb3dyaXRlOChT TUJIU1RTVFNfSU5VU0VfU1RTIHwgU1RBVFVTX0ZMQUdTLCBTTUJIU1RTVFMocHJpdikpOwo+IAo+ K291dDoKPiAJcG1fcnVudGltZV9wdXRfYXV0b3N1c3BlbmQoJnByaXYtPnBjaV9kZXYtPmRldik7 Cj4gCW11dGV4X3VubG9jaygmcHJpdi0+YWNwaV9sb2NrKTsKPiAJcmV0dXJuIHJldDsKPi0tIAo+ Mi4zNC4xCg==