From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [v2,1/2] usb: xhci: fix uninitialized completion when USB3 port got wrong status From: Aaron Ma Message-Id: <1540230167-12528-1-git-send-email-aaron.ma@canonical.com> Date: Tue, 23 Oct 2018 01:42:46 +0800 To: aaron.ma@canonical.com, mathias.nyman@intel.com, gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: UmVhbHRlayBVU0IzLjAgQ2FyZCBSZWFkZXIgWzBiZGE6MDMyOF0gcmVwb3J0cyB3cm9uZyBwb3J0 IHN0YXR1cyBvbgpDYW5ub24gbGFrZSBQQ0ggVVNCMy4xIHhIQ0kgWzgwODY6YTM2ZF0gYWZ0ZXIg cmVzdW1lIGZyb20gUzMsCmFmdGVyIGNsZWFyIHBvcnQgcmVzZXQgaXQgd29ya3MgZmluZS4KClNp bmNlIHRoaXMgZGV2aWNlIGlzIHJlZ2lzdGVyZWQgb24gVVNCMyByb290aHViIGF0IGJvb3QsCndo ZW4gcG9ydCBzdGF0dXMgcmVwb3J0cyBub3Qgc3VwZXJzcGVlZCwgeGhjaV9nZXRfcG9ydF9zdGF0 dXMgd2lsbCBjYWxsCmFuIHVuaW5pdGlhbGl6ZWQgY29tcGxldGlvbiBpbiBidXNfc3RhdGVbMF0u Cktlcm5lbCB3aWxsIGhhbmcgYmVjYXVzZSBvZiBOVUxMIHBvaW50ZXIuCgpSZXN0cmljdCB0aGUg VVNCMiByZXN1bWUgc3RhdHVzIGNoZWNrIGluIFVTQjIgcm9vdGh1YiB0byBmaXggaGFuZyBpc3N1 ZS4KCkNjOiBzdGFibGVAdmdlci5rZXJuZWwub3JnClNpZ25lZC1vZmYtYnk6IEFhcm9uIE1hIDxh YXJvbi5tYUBjYW5vbmljYWwuY29tPgotLS0KIGRyaXZlcnMvdXNiL2hvc3QveGhjaS1odWIuYyAg fCAyICstCiBkcml2ZXJzL3VzYi9ob3N0L3hoY2ktcmluZy5jIHwgMiArLQogMiBmaWxlcyBjaGFu Z2VkLCAyIGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVy cy91c2IvaG9zdC94aGNpLWh1Yi5jIGIvZHJpdmVycy91c2IvaG9zdC94aGNpLWh1Yi5jCmluZGV4 IDdlMmE1MzFiYTMyMS4uNTZhMDhkYWE3NDMxIDEwMDY0NAotLS0gYS9kcml2ZXJzL3VzYi9ob3N0 L3hoY2ktaHViLmMKKysrIGIvZHJpdmVycy91c2IvaG9zdC94aGNpLWh1Yi5jCkBAIC04NzYsNyAr ODc2LDcgQEAgc3RhdGljIHUzMiB4aGNpX2dldF9wb3J0X3N0YXR1cyhzdHJ1Y3QgdXNiX2hjZCAq aGNkLAogCQkJc3RhdHVzIHw9IFVTQl9QT1JUX1NUQVRfU1VTUEVORDsKIAl9CiAJaWYgKChyYXdf cG9ydF9zdGF0dXMgJiBQT1JUX1BMU19NQVNLKSA9PSBYREVWX1JFU1VNRSAmJgotCQkhREVWX1NV UEVSU1BFRURfQU5ZKHJhd19wb3J0X3N0YXR1cykpIHsKKwkJIURFVl9TVVBFUlNQRUVEX0FOWShy YXdfcG9ydF9zdGF0dXMpICYmIGhjZC0+c3BlZWQgPCBIQ0RfVVNCMykgewogCQlpZiAoKHJhd19w b3J0X3N0YXR1cyAmIFBPUlRfUkVTRVQpIHx8CiAJCQkJIShyYXdfcG9ydF9zdGF0dXMgJiBQT1JU X1BFKSkKIAkJCXJldHVybiAweGZmZmZmZmZmOwpkaWZmIC0tZ2l0IGEvZHJpdmVycy91c2IvaG9z dC94aGNpLXJpbmcuYyBiL2RyaXZlcnMvdXNiL2hvc3QveGhjaS1yaW5nLmMKaW5kZXggZjBhOTlh YTBhYzU4Li43MzE4ZmM0MjJiNmMgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvdXNiL2hvc3QveGhjaS1y aW5nLmMKKysrIGIvZHJpdmVycy91c2IvaG9zdC94aGNpLXJpbmcuYwpAQCAtMTYzNCw3ICsxNjM0 LDcgQEAgc3RhdGljIHZvaWQgaGFuZGxlX3BvcnRfc3RhdHVzKHN0cnVjdCB4aGNpX2hjZCAqeGhj aSwKIAkgKiBSRXhpdCB0byBhIGRpc2Nvbm5lY3Qgc3RhdGUpLiAgSWYgc28sIGxldCB0aGUgdGhl IGRyaXZlciBrbm93IGl0J3MKIAkgKiBvdXQgb2YgdGhlIFJFeGl0IHN0YXRlLgogCSAqLwotCWlm ICghREVWX1NVUEVSU1BFRURfQU5ZKHBvcnRzYykgJiYKKwlpZiAoIURFVl9TVVBFUlNQRUVEX0FO WShwb3J0c2MpICYmIGhjZC0+c3BlZWQgPCBIQ0RfVVNCMyAmJgogCQkJdGVzdF9hbmRfY2xlYXJf Yml0KGhjZF9wb3J0bnVtLAogCQkJCSZidXNfc3RhdGUtPnJleGl0X3BvcnRzKSkgewogCQljb21w bGV0ZSgmYnVzX3N0YXRlLT5yZXhpdF9kb25lW2hjZF9wb3J0bnVtXSk7Cg==