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 BDC16C433DF for ; Sun, 9 Aug 2020 05:08:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9168E206C0 for ; Sun, 9 Aug 2020 05:08:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="bd896+5y" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726402AbgHIFI2 (ORCPT ); Sun, 9 Aug 2020 01:08:28 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:56590 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725790AbgHIFI1 (ORCPT ); Sun, 9 Aug 2020 01:08:27 -0400 X-UUID: 3886343308c846c5b743285c9b51a7e6-20200809 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=n5rpOkS/9YzOZBQ2IqBRfdrcZmfEvjOti8eNGJiZ+ys=; b=bd896+5yIlzMczsrDT+5GvUq7hAwlVB10L1XylVZcrM8XFC9aX1rly6CpnZ+cpzfsIQgLj9B3QD4/9ig+FQSeDwPqObsx0OzY7GUpN+8unEpJ10g2O39JWJh2GvAs0lRveuXrZIRD035V5gaIwKtGmQWooUt3zDydHPM1ITg7Zo=; X-UUID: 3886343308c846c5b743285c9b51a7e6-20200809 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 328196676; Sun, 09 Aug 2020 13:08:20 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 9 Aug 2020 13:07:33 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sun, 9 Aug 2020 13:07:33 +0800 From: Stanley Chu To: , , , , , CC: , , , , , , , , , , , , , Stanley Chu Subject: [PATCH v3] scsi: ufs: Fix possible infinite loop in ufshcd_hold Date: Sun, 9 Aug 2020 13:07:34 +0800 Message-ID: <20200809050734.18740-1-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain X-TM-SNTS-SMTP: BE00B5FA824ED99B1C6B9E2F0B73FA1E619CF8E4178918B797D1658D07BEBB112000:8 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 YmVjYXVzZSB0aGVyZSBpcyBubw0KY2xrLXVuZ2F0aW5nIHdvcmsgc2NoZWR1bGVkIG9yIHBlbmRp bmcuIEluIHRoaXMgY2FzZSwgdWZzaGNkX2hvbGQoKQ0Kc2hhbGwganVzdCBieXBhc3MsIGFuZCBr ZWVwIHRoZSBsaW5rIGFzIEhpYmVybjggc3RhdGUuDQoNCkNvLURldmVsb3BlZC1ieTogQW5keSBU ZW5nIDxhbmR5LnRlbmdAbWVkaWF0ZWsuY29tPg0KUmV2aWV3ZWQtYnk6IEF2cmkgQWx0bWFuIDxh dnJpLmFsdG1hbkB3ZGMuY29tPg0KU2lnbmVkLW9mZi1ieTogU3RhbmxleSBDaHUgPHN0YW5sZXku Y2h1QG1lZGlhdGVrLmNvbT4NCi0tLQ0KQ2hhbmdlcyBzaW5jZSB2MjoNCiAgICAtIFJlYmFzZSB0 byB0aGUgbGF0ZXN0IE1hcnRpbidzIHF1ZXVlIGJyYW5jaA0KICAgIC0gQWRkIG1pc3NpbmcgUmV2 aWV3ZWQgdGFnIHNpbmNlIEF2cmkncyBsZXR0ZXIgaXMgbm90IHNob3dpbmcgdXAgaW4gTEtNTCBh bmQgUGF0Y2h3b3JrDQotLS0NCiBkcml2ZXJzL3Njc2kvdWZzL3Vmc2hjZC5jIHwgNSArKysrLQ0K IDEgZmlsZSBjaGFuZ2VkLCA0IGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkNCg0KZGlmZiAt LWdpdCBhL2RyaXZlcnMvc2NzaS91ZnMvdWZzaGNkLmMgYi9kcml2ZXJzL3Njc2kvdWZzL3Vmc2hj ZC5jDQppbmRleCAzMDc2MjIyODQyMzkuLmI0Zjk0ODAyN2IzZSAxMDA2NDQNCi0tLSBhL2RyaXZl cnMvc2NzaS91ZnMvdWZzaGNkLmMNCisrKyBiL2RyaXZlcnMvc2NzaS91ZnMvdWZzaGNkLmMNCkBA IC0xNTYxLDYgKzE1NjEsNyBAQCBzdGF0aWMgdm9pZCB1ZnNoY2RfdW5nYXRlX3dvcmsoc3RydWN0 IHdvcmtfc3RydWN0ICp3b3JrKQ0KIGludCB1ZnNoY2RfaG9sZChzdHJ1Y3QgdWZzX2hiYSAqaGJh LCBib29sIGFzeW5jKQ0KIHsNCiAJaW50IHJjID0gMDsNCisJYm9vbCBmbHVzaF9yZXN1bHQ7DQog CXVuc2lnbmVkIGxvbmcgZmxhZ3M7DQogDQogCWlmICghdWZzaGNkX2lzX2Nsa2dhdGluZ19hbGxv d2VkKGhiYSkpDQpAQCAtMTU5Miw3ICsxNTkzLDkgQEAgaW50IHVmc2hjZF9ob2xkKHN0cnVjdCB1 ZnNfaGJhICpoYmEsIGJvb2wgYXN5bmMpDQogCQkJCWJyZWFrOw0KIAkJCX0NCiAJCQlzcGluX3Vu bG9ja19pcnFyZXN0b3JlKGhiYS0+aG9zdC0+aG9zdF9sb2NrLCBmbGFncyk7DQotCQkJZmx1c2hf d29yaygmaGJhLT5jbGtfZ2F0aW5nLnVuZ2F0ZV93b3JrKTsNCisJCQlmbHVzaF9yZXN1bHQgPSBm bHVzaF93b3JrKCZoYmEtPmNsa19nYXRpbmcudW5nYXRlX3dvcmspOw0KKwkJCWlmIChoYmEtPmNs a19nYXRpbmcuaXNfc3VzcGVuZGVkICYmICFmbHVzaF9yZXN1bHQpDQorCQkJCWdvdG8gb3V0Ow0K IAkJCXNwaW5fbG9ja19pcnFzYXZlKGhiYS0+aG9zdC0+aG9zdF9sb2NrLCBmbGFncyk7DQogCQkJ Z290byBzdGFydDsNCiAJCX0NCi0tIA0KMi4xOC4wDQo=