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=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 BE582C48BD1 for ; Fri, 11 Jun 2021 11:08:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9EDBE61364 for ; Fri, 11 Jun 2021 11:08:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231286AbhFKLKg (ORCPT ); Fri, 11 Jun 2021 07:10:36 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:5507 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229969AbhFKLKc (ORCPT ); Fri, 11 Jun 2021 07:10:32 -0400 Received: from nkgeml707-chm.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4G1dLC3dmlzZg9n; Fri, 11 Jun 2021 19:05:39 +0800 (CST) Received: from nkgeml706-chm.china.huawei.com (10.98.57.153) by nkgeml707-chm.china.huawei.com (10.98.57.157) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 11 Jun 2021 19:08:30 +0800 Received: from nkgeml706-chm.china.huawei.com ([10.98.57.153]) by nkgeml706-chm.china.huawei.com ([10.98.57.153]) with mapi id 15.01.2176.012; Fri, 11 Jun 2021 19:08:30 +0800 From: "Zhangjiantao (Kirin, nanjing)" To: "mathias.nyman@intel.com" , "gregkh@linuxfoundation.org" , "linux-usb@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: "Xuetao (kirin)" , "chenyu (U)" , Caiyadong , xuhaiyang , "Zhangjiantao (Kirin, nanjing)" Subject: [PATCH v2] xhci: solve a double free problem while doing s4 Thread-Topic: [PATCH v2] xhci: solve a double free problem while doing s4 Thread-Index: AQHXXqK7hImcHidT6ESyBJu1wIWDJKsOppkQ Date: Fri, 11 Jun 2021 11:08:30 +0000 Message-ID: <3f5f7a1a46a847ca8bb793050cf30b98@huawei.com> References: <1623403104-121391-1-git-send-email-xuetao09@huawei.com> In-Reply-To: <1623403104-121391-1-git-send-email-xuetao09@huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.137.38.30] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org d2hlbiBzeXN0ZW0gaXMgZG9pbmcgczQsIHRoZSBwcm9jZXNzIG9mIHhoY2lfcmVzdW1lIG1heSBi ZSBhcyBiZWxvdzoNCjHjgIF4aGNpX21lbV9jbGVhbnVwDQoy44CBeGhjaV9pbml0LT54aGNpX21l bV9pbml0LT54aGNpX21lbV9jbGVhbnVwKHdoZW4gbWVtb3J5IGlzIG5vdCBlbm91Z2gpLg0KeGhj aV9tZW1fY2xlYW51cCB3aWxsIGJlIGV4ZWN1dGVkIHR3aWNlIHdoZW4gc3lzdGVtIGlzIG91dCBv ZiBtZW1vcnkuDQp4aGNpLT5wb3J0X2NhcHMgaXMgZnJlZWQgaW4geGhjaV9tZW1fY2xlYW51cCxi dXQgaXQgaXNuJ3Qgc2V0IHRvIE5VTEwuDQpJdCB3aWxsIGJlIGZyZWVkIHR3aWNlIHdoZW4geGhj aV9tZW1fY2xlYW51cCBpcyBjYWxsZWQgdGhlIHNlY29uZCB0aW1lLg0KDQpXZSBnb3QgZm9sbG93 aW5nIGJ1ZyB3aGVuIHN5c3RlbSByZXN1bWVzIGZyb20gczQ6DQoNCmtlcm5lbCBCVUcgYXQgbW0v c2x1Yi5jOjMwOSENCkludGVybmFsIGVycm9yOiBPb3BzIC0gQlVHOiAwIFsjMV0gUFJFRU1QVCBT TVANCkNQVTogMCBQSUQ6IDU5MjkgVGFpbnRlZDogRyBTICAgVyAgIDUuNC45Ni1hcm02NC1kZXNr dG9wICMxDQpwYyA6IF9fc2xhYl9mcmVlKzB4NWMvMHg0MjQNCmxyIDoga2ZyZWUrMHgzMGMvMHgz MmMNCg0KQ2FsbCB0cmFjZToNCiBfX3NsYWJfZnJlZSsweDVjLzB4NDI0DQoga2ZyZWUrMHgzMGMv MHgzMmMNCiB4aGNpX21lbV9jbGVhbnVwKzB4Mzk0LzB4M2NjDQogeGhjaV9tZW1faW5pdCsweDlh Yy8weDEwNzANCiB4aGNpX2luaXQrMHg4Yy8weDFkMA0KIHhoY2lfcmVzdW1lKzB4MWNjLzB4NWZj DQogeGhjaV9wbGF0X3Jlc3VtZSsweDY0LzB4NzANCiBwbGF0Zm9ybV9wbV90aGF3KzB4MjgvMHg2 MA0KIGRwbV9ydW5fY2FsbGJhY2srMHg1NC8weDI0Yw0KIGRldmljZV9yZXN1bWUrMHhkMC8weDIw MA0KIGFzeW5jX3Jlc3VtZSsweDI0LzB4NjANCiBhc3luY19ydW5fZW50cnlfZm4rMHg0NC8weDEx MA0KIHByb2Nlc3Nfb25lX3dvcmsrMHgxZjAvMHg0OTANCiB3b3JrZXJfdGhyZWFkKzB4NWMvMHg0 NTANCiBrdGhyZWFkKzB4MTU4LzB4MTYwDQogcmV0X2Zyb21fZm9yaysweDEwLzB4MjQNCg0KU2ln bmVkLW9mZi1ieTogSmlhbnRhbyBaaGFuZyA8d2F0ZXIuemhhbmdqaWFudGFvQGh1YXdlaS5jb20+ DQpTaWduZWQtb2ZmLWJ5OiBUYW8gWHVlIDx4dWV0YW8wOUBodWF3ZWkuY29tPg0KLS0tDQogZHJp dmVycy91c2IvaG9zdC94aGNpLW1lbS5jIHwgMSArDQogMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0 aW9uKCspDQoNCmRpZmYgLS1naXQgYS9kcml2ZXJzL3VzYi9ob3N0L3hoY2ktbWVtLmMgYi9kcml2 ZXJzL3VzYi9ob3N0L3hoY2ktbWVtLmMgaW5kZXggZjY2ODE1Zi4uZTRiMGMwNCAxMDA2NDQNCi0t LSBhL2RyaXZlcnMvdXNiL2hvc3QveGhjaS1tZW0uYw0KKysrIGIvZHJpdmVycy91c2IvaG9zdC94 aGNpLW1lbS5jDQpAQCAtMTkyNCw2ICsxOTI0LDcgQEAgdm9pZCB4aGNpX21lbV9jbGVhbnVwKHN0 cnVjdCB4aGNpX2hjZCAqeGhjaSkNCiAJeGhjaS0+aHdfcG9ydHMgPSBOVUxMOw0KIAl4aGNpLT5y aF9idyA9IE5VTEw7DQogCXhoY2ktPmV4dF9jYXBzID0gTlVMTDsNCisJeGhjaS0+cG9ydF9jYXBz ID0gTlVMTDsNCiANCiAJeGhjaS0+cGFnZV9zaXplID0gMDsNCiAJeGhjaS0+cGFnZV9zaGlmdCA9 IDA7DQotLQ0KMi43LjQNCg0K