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=-11.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,MIME_BASE64_TEXT,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_GIT 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 00B17C433E1 for ; Tue, 28 Jul 2020 14:11:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C4FF2206F5 for ; Tue, 28 Jul 2020 14:11:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="apE8fI/q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730308AbgG1OLC (ORCPT ); Tue, 28 Jul 2020 10:11:02 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:7961 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1730057AbgG1OLC (ORCPT ); Tue, 28 Jul 2020 10:11:02 -0400 X-UUID: c254afc30da74d48aec926f2773c279e-20200728 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=suEMosAXJcsVRBqEPCC9fdQP59XGs0hD3Jn+cHeYz6A=; b=apE8fI/qTpyi8svFmT4raknEZ4iQy/Wg/7sBZGW3hjb99/aLJwdS/ev7cadKXgbVgmbfEu2MyH1/UyK3R4eq2HYi9DWEoDAPYkx9U5uPTvvyzikmHgN3MkYdz1SPPPtkWIQwYlG0KqA3jqduKJsOovY5jL+RSIL/DpaI8mWbQQk=; X-UUID: c254afc30da74d48aec926f2773c279e-20200728 Received: from mtkcas07.mediatek.inc [(172.21.101.84)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 37312028; Tue, 28 Jul 2020 22:10:57 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 28 Jul 2020 22:10:53 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 28 Jul 2020 22:10:55 +0800 From: Stanley Chu To: , , , , , CC: , , , , , , , , , , , , , Stanley Chu Subject: [PATCH v1] scsi: ufs: Fix possible infinite loop in ufshcd_hold Date: Tue, 28 Jul 2020 22:10:55 +0800 Message-ID: <20200728141055.22160-1-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SW4gdWZzaGNkX3N1c3BlbmQoKSwgYWZ0ZXIgY2xrLWdhdGluZyBpcyBzdXNwZW5kZWQgYW5kIGxp bmsgaXMgc2V0DQphcyBIaWJlcm44IHN0YXRlLCB1ZnNoY2RfaG9sZCgpIGlzIHN0aWxsIHBvc3Np Ymx5IGludm9rZWQgYmVmb3JlDQp1ZnNoY2Rfc3VzcGVuZCgpIHJldHVybnMuIEZvciBleGFtcGxl LCBNZWRpYVRlaydzIHN1c3BlbmQgdm9wcyBtYXkNCmlzc3VlIFVJQyBjb21tYW5kcyB3aGljaCB3 b3VsZCBjYWxsIHVmc2hjZF9ob2xkKCkgZHVyaW5nIHRoZSBjb21tYW5kDQppc3N1aW5nIGZsb3cu DQoNCk5vdyBpZiBVRlNIQ0RfQ0FQX0hJQkVSTjhfV0lUSF9DTEtfR0FUSU5HIGNhcGFiaWxpdHkg aXMgZW5hYmxlZCwNCnRoZW4gdWZzaGNkX2hvbGQoKSBtYXkgZW50ZXIgaW5maW5pdGUgbG9vcHMg YmVjYXVzZSB0aGVyZSBpcyBubw0KY2xrLXVuZ2F0aW5nIHdvcmsgaXMgc2NoZWR1bGVkIG9yIHBl bmRpbmcuIEluIHRoaXMgY2FzZSwgdWZzaGNkX2hvbGQoKQ0Kc2hhbGwganVzdCBieXBhc3MsIGFu ZCBrZWVwIHRoZSBsaW5rIGFzIEhpYmVybjggc3RhdGUuDQoNClNpZ25lZC1vZmYtYnk6IFN0YW5s ZXkgQ2h1IDxzdGFubGV5LmNodUBtZWRpYXRlay5jb20+DQpTaWduZWQtb2ZmLWJ5OiBBbmR5IFRl bmcgPGFuZHkudGVuZ0BtZWRpYXRlay5jb20+DQotLS0NCiBkcml2ZXJzL3Njc2kvdWZzL3Vmc2hj ZC5jIHwgNiArKysrKy0NCiAxIGZpbGUgY2hhbmdlZCwgNSBpbnNlcnRpb25zKCspLCAxIGRlbGV0 aW9uKC0pDQoNCmRpZmYgLS1naXQgYS9kcml2ZXJzL3Njc2kvdWZzL3Vmc2hjZC5jIGIvZHJpdmVy cy9zY3NpL3Vmcy91ZnNoY2QuYw0KaW5kZXggNTc3Y2MwZDc0ODdmLi4yNjdiMDJlMWFmZDYgMTAw NjQ0DQotLS0gYS9kcml2ZXJzL3Njc2kvdWZzL3Vmc2hjZC5jDQorKysgYi9kcml2ZXJzL3Njc2kv dWZzL3Vmc2hjZC5jDQpAQCAtMTU5Miw3ICsxNTkyLDExIEBAIGludCB1ZnNoY2RfaG9sZChzdHJ1 Y3QgdWZzX2hiYSAqaGJhLCBib29sIGFzeW5jKQ0KIAkJCQlicmVhazsNCiAJCQl9DQogCQkJc3Bp bl91bmxvY2tfaXJxcmVzdG9yZShoYmEtPmhvc3QtPmhvc3RfbG9jaywgZmxhZ3MpOw0KLQkJCWZs dXNoX3dvcmsoJmhiYS0+Y2xrX2dhdGluZy51bmdhdGVfd29yayk7DQorCQkJcmMgPSBmbHVzaF93 b3JrKCZoYmEtPmNsa19nYXRpbmcudW5nYXRlX3dvcmspOw0KKwkJCWlmIChoYmEtPmNsa19nYXRp bmcuaXNfc3VzcGVuZGVkICYmICFyYykgew0KKwkJCQlyYyA9IDA7DQorCQkJCWdvdG8gb3V0Ow0K KwkJCX0NCiAJCQlzcGluX2xvY2tfaXJxc2F2ZShoYmEtPmhvc3QtPmhvc3RfbG9jaywgZmxhZ3Mp Ow0KIAkJCWdvdG8gc3RhcnQ7DQogCQl9DQotLSANCjIuMTguMA0K