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: [02/20] usb: host: xhci: check DYING state earlier From: Mathias Nyman Message-Id: <6375ffbc-8ade-6d32-cda1-26cc636e9719@linux.intel.com> Date: Mon, 16 Apr 2018 16:31:30 +0300 To: Felipe Balbi Cc: Linux USB List-ID: T24gMTYuMDQuMjAxOCAxNToyOSwgRmVsaXBlIEJhbGJpIHdyb3RlOgo+IEluc3RlYWQgb2YgYWxs b2NhdGluZyB1cmIgcHJpdiBhbmQsIG1heWJlLCBiYWlsIG91dCBkdWUgdG8geGhjaSBiZWluZwo+ IGluIERZSU5HIHN0YXRlLCB3ZSBjYW4gbW92ZSB0aGUgY2hlY2sgZWFybGllciBhbmQgYXZvaWQg dGhlIG1lbW9yeQo+IGFsbG9jYXRpb24gYWx0b2dldGhlci4KClRoaXMgYWxzbyBtb3ZlcyBjaGVj a2luZyBmb3IgRFlJTkcgb3V0c2lkZSB0aGUgbG9jay4KCk1vc3QgY2FzZXMgc2V0IERZSU5HIHdp dGggbG9jayBoZWxkLCBzbyBpZiB3ZSBmaXJzdCBnZXQgdGhlIGxvY2sgYmVmb3JlCmNoZWNraW5n IERZSU5HIHdlIGhhdmUgYSBiZXR0ZXIgY2hhbmNlIG9mIG5vdCBiZWluZyBpbiB0aGUgcHJvY2Vz cyBvZiBkeWluZy4KClNtYWxsIHRoaW5nLCBidXQgc28gaXMgdGhpcyBjbGVhbnVwLCBzbyBub3Qg c3VyZSBpdHMgd29ydGggdGhlIGNoYW5nZQoKLU1hdGhpYXMKCj4gCj4gV2hpbGUgYXQgdGhhdCwg YWxzbyByZW1vdmUgYW4gdW5uZWNlc3NhcnkgZW1wdHkgbGluZS4KPiAKPiBTaWduZWQtb2ZmLWJ5 OiBGZWxpcGUgQmFsYmkgPGZlbGlwZS5iYWxiaUBsaW51eC5pbnRlbC5jb20+Cj4gLS0tCj4gICBk cml2ZXJzL3VzYi9ob3N0L3hoY2kuYyB8IDEzICsrKysrKy0tLS0tLS0KPiAgIDEgZmlsZSBjaGFu Z2VkLCA2IGluc2VydGlvbnMoKyksIDcgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2Ry aXZlcnMvdXNiL2hvc3QveGhjaS5jIGIvZHJpdmVycy91c2IvaG9zdC94aGNpLmMKPiBpbmRleCA2 NWM0NTRiOTQxNjUuLjM5ZTY3YjdiZWNlMSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL3VzYi9ob3N0 L3hoY2kuYwo+ICsrKyBiL2RyaXZlcnMvdXNiL2hvc3QveGhjaS5jCj4gQEAgLTEyOTksNiArMTI5 OSwxMiBAQCBzdGF0aWMgaW50IHhoY2lfdXJiX2VucXVldWUoc3RydWN0IHVzYl9oY2QgKmhjZCwg c3RydWN0IHVyYiAqdXJiLCBnZnBfdCBtZW1fZmxhZwo+ICAgCQkJCQl0cnVlLCB0cnVlLCBfX2Z1 bmNfXykgPD0gMCkKPiAgIAkJcmV0dXJuIC1FSU5WQUw7Cj4gICAKPiArCWlmICh4aGNpLT54aGNf c3RhdGUgJiBYSENJX1NUQVRFX0RZSU5HKSB7Cj4gKwkJeGhjaV9kYmcoeGhjaSwgIkVwIDB4JXg6 IFVSQiAlcCBzdWJtaXR0ZWQgZm9yIG5vbi1yZXNwb25zaXZlIHhIQ0kgaG9zdC5cbiIsCj4gKwkJ CSB1cmItPmVwLT5kZXNjLmJFbmRwb2ludEFkZHJlc3MsIHVyYik7Cj4gKwkJcmV0dXJuIC1FU0hV VERPV047Cj4gKwl9Cj4gKwo+ICAgCXNsb3RfaWQgPSB1cmItPmRldi0+c2xvdF9pZDsKPiAgIAll cF9pbmRleCA9IHhoY2lfZ2V0X2VuZHBvaW50X2luZGV4KCZ1cmItPmVwLT5kZXNjKTsKPiAgIAll cF9zdGF0ZSA9ICZ4aGNpLT5kZXZzW3Nsb3RfaWRdLT5lcHNbZXBfaW5kZXhdLmVwX3N0YXRlOwo+ IEBAIC0xMzQ3LDEyICsxMzUzLDYgQEAgc3RhdGljIGludCB4aGNpX3VyYl9lbnF1ZXVlKHN0cnVj dCB1c2JfaGNkICpoY2QsIHN0cnVjdCB1cmIgKnVyYiwgZ2ZwX3QgbWVtX2ZsYWcKPiAgIAo+ICAg CXNwaW5fbG9ja19pcnFzYXZlKCZ4aGNpLT5sb2NrLCBmbGFncyk7Cj4gICAKPiAtCWlmICh4aGNp LT54aGNfc3RhdGUgJiBYSENJX1NUQVRFX0RZSU5HKSB7Cj4gLQkJeGhjaV9kYmcoeGhjaSwgIkVw IDB4JXg6IFVSQiAlcCBzdWJtaXR0ZWQgZm9yIG5vbi1yZXNwb25zaXZlIHhIQ0kgaG9zdC5cbiIs Cj4gLQkJCSB1cmItPmVwLT5kZXNjLmJFbmRwb2ludEFkZHJlc3MsIHVyYik7Cj4gLQkJcmV0ID0g LUVTSFVURE9XTjsKPiAtCQlnb3RvIGZyZWVfcHJpdjsKPiAtCX0KPiAgIAlpZiAoKmVwX3N0YXRl ICYgRVBfU09GVF9DTEVBUl9UT0dHTEUpIHsKPiAgIAkJeGhjaV93YXJuKHhoY2ksICJDYW4ndCBl bnF1ZXVlIFVSQiB3aGlsZSBtYW51YWxseSBjbGVhcmluZyB0b2dnbGVcbiIpOwo+ICAgCQlyZXQg PSAtRUlOVkFMOwo+IEBAIC0xMzYwLDcgKzEzNjAsNiBAQCBzdGF0aWMgaW50IHhoY2lfdXJiX2Vu cXVldWUoc3RydWN0IHVzYl9oY2QgKmhjZCwgc3RydWN0IHVyYiAqdXJiLCBnZnBfdCBtZW1fZmxh Zwo+ICAgCX0KPiAgIAo+ICAgCXN3aXRjaCAodXNiX2VuZHBvaW50X3R5cGUoJnVyYi0+ZXAtPmRl c2MpKSB7Cj4gLQo+ICAgCWNhc2UgVVNCX0VORFBPSU5UX1hGRVJfQ09OVFJPTDoKPiAgIAkJcmV0 ID0geGhjaV9xdWV1ZV9jdHJsX3R4KHhoY2ksIEdGUF9BVE9NSUMsIHVyYiwKPiAgIAkJCQkJIHNs b3RfaWQsIGVwX2luZGV4KTsKPgotLS0KVG8gdW5zdWJzY3JpYmUgZnJvbSB0aGlzIGxpc3Q6IHNl bmQgdGhlIGxpbmUgInVuc3Vic2NyaWJlIGxpbnV4LXVzYiIgaW4KdGhlIGJvZHkgb2YgYSBtZXNz YWdlIHRvIG1ham9yZG9tb0B2Z2VyLmtlcm5lbC5vcmcKTW9yZSBtYWpvcmRvbW8gaW5mbyBhdCAg aHR0cDovL3ZnZXIua2VybmVsLm9yZy9tYWpvcmRvbW8taW5mby5odG1sCg==