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: [1/2] usb: xhci: fix uninitialized completion when USB3 port got wrong status From: Aaron Ma Message-Id: <1540141725-13047-1-git-send-email-aaron.ma@canonical.com> Date: Mon, 22 Oct 2018 01:08:44 +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 ZS4KTm8gaGFybSB0byBpbml0aWFsaXplIFVTQjMgYnVzX3N0YXRlWzBdIGluIGNhc2UgaXQgaXMg Y2FsbGVkLgoKU2lnbmVkLW9mZi1ieTogQWFyb24gTWEgPGFhcm9uLm1hQGNhbm9uaWNhbC5jb20+ Ci0tLQogZHJpdmVycy91c2IvaG9zdC94aGNpLWh1Yi5jICB8IDIgKy0KIGRyaXZlcnMvdXNiL2hv c3QveGhjaS1tZW0uYyAgfCAxICsKIGRyaXZlcnMvdXNiL2hvc3QveGhjaS1yaW5nLmMgfCAyICst CiAzIGZpbGVzIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKCmRpZmYg LS1naXQgYS9kcml2ZXJzL3VzYi9ob3N0L3hoY2ktaHViLmMgYi9kcml2ZXJzL3VzYi9ob3N0L3ho Y2ktaHViLmMKaW5kZXggN2UyYTUzMWJhMzIxLi5kMzBjYTZjZWZmYzkgMTAwNjQ0Ci0tLSBhL2Ry aXZlcnMvdXNiL2hvc3QveGhjaS1odWIuYworKysgYi9kcml2ZXJzL3VzYi9ob3N0L3hoY2ktaHVi LmMKQEAgLTg3Niw3ICs4NzYsNyBAQCBzdGF0aWMgdTMyIHhoY2lfZ2V0X3BvcnRfc3RhdHVzKHN0 cnVjdCB1c2JfaGNkICpoY2QsCiAJCQlzdGF0dXMgfD0gVVNCX1BPUlRfU1RBVF9TVVNQRU5EOwog CX0KIAlpZiAoKHJhd19wb3J0X3N0YXR1cyAmIFBPUlRfUExTX01BU0spID09IFhERVZfUkVTVU1F ICYmCi0JCSFERVZfU1VQRVJTUEVFRF9BTlkocmF3X3BvcnRfc3RhdHVzKSkgeworCQkhREVWX1NV UEVSU1BFRURfQU5ZKHJhd19wb3J0X3N0YXR1cykgJiYgMSA9PSBoY2RfaW5kZXgoaGNkKSkgewog CQlpZiAoKHJhd19wb3J0X3N0YXR1cyAmIFBPUlRfUkVTRVQpIHx8CiAJCQkJIShyYXdfcG9ydF9z dGF0dXMgJiBQT1JUX1BFKSkKIAkJCXJldHVybiAweGZmZmZmZmZmOwpkaWZmIC0tZ2l0IGEvZHJp dmVycy91c2IvaG9zdC94aGNpLW1lbS5jIGIvZHJpdmVycy91c2IvaG9zdC94aGNpLW1lbS5jCmlu ZGV4IGIxZjI3YWEzOGIxMC4uZGQyYWQ1MGM1Mjg5IDEwMDY0NAotLS0gYS9kcml2ZXJzL3VzYi9o b3N0L3hoY2ktbWVtLmMKKysrIGIvZHJpdmVycy91c2IvaG9zdC94aGNpLW1lbS5jCkBAIC0yNTM5 LDYgKzI1MzksNyBAQCBpbnQgeGhjaV9tZW1faW5pdChzdHJ1Y3QgeGhjaV9oY2QgKnhoY2ksIGdm cF90IGZsYWdzKQogCQl4aGNpLT5idXNfc3RhdGVbMF0ucmVzdW1lX2RvbmVbaV0gPSAwOwogCQl4 aGNpLT5idXNfc3RhdGVbMV0ucmVzdW1lX2RvbmVbaV0gPSAwOwogCQkvKiBPbmx5IHRoZSBVU0Ig Mi4wIGNvbXBsZXRpb25zIHdpbGwgZXZlciBiZSB1c2VkLiAqLworCQlpbml0X2NvbXBsZXRpb24o JnhoY2ktPmJ1c19zdGF0ZVswXS5yZXhpdF9kb25lW2ldKTsKIAkJaW5pdF9jb21wbGV0aW9uKCZ4 aGNpLT5idXNfc3RhdGVbMV0ucmV4aXRfZG9uZVtpXSk7CiAJfQogCmRpZmYgLS1naXQgYS9kcml2 ZXJzL3VzYi9ob3N0L3hoY2ktcmluZy5jIGIvZHJpdmVycy91c2IvaG9zdC94aGNpLXJpbmcuYwpp bmRleCBmMGE5OWFhMGFjNTguLjg5NGQ0NjI1YjhiOSAxMDA2NDQKLS0tIGEvZHJpdmVycy91c2Iv aG9zdC94aGNpLXJpbmcuYworKysgYi9kcml2ZXJzL3VzYi9ob3N0L3hoY2ktcmluZy5jCkBAIC0x NjM0LDcgKzE2MzQsNyBAQCBzdGF0aWMgdm9pZCBoYW5kbGVfcG9ydF9zdGF0dXMoc3RydWN0IHho Y2lfaGNkICp4aGNpLAogCSAqIFJFeGl0IHRvIGEgZGlzY29ubmVjdCBzdGF0ZSkuICBJZiBzbywg bGV0IHRoZSB0aGUgZHJpdmVyIGtub3cgaXQncwogCSAqIG91dCBvZiB0aGUgUkV4aXQgc3RhdGUu CiAJICovCi0JaWYgKCFERVZfU1VQRVJTUEVFRF9BTlkocG9ydHNjKSAmJgorCWlmICghREVWX1NV UEVSU1BFRURfQU5ZKHBvcnRzYykgJiYgMSA9PSBoY2RfaW5kZXgoaGNkKSAmJgogCQkJdGVzdF9h bmRfY2xlYXJfYml0KGhjZF9wb3J0bnVtLAogCQkJCSZidXNfc3RhdGUtPnJleGl0X3BvcnRzKSkg ewogCQljb21wbGV0ZSgmYnVzX3N0YXRlLT5yZXhpdF9kb25lW2hjZF9wb3J0bnVtXSk7Cg==