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: uas: Unblock scsi-requests on failure to alloc streams in post_reset From: Oliver Neukum Message-Id: <1515597815.2578.2.camel@suse.com> Date: Wed, 10 Jan 2018 16:23:35 +0100 To: Hans de Goede , Alan Stern Cc: Greg Kroah-Hartman , linux-scsi@vger.kernel.org, linux-usb@vger.kernel.org, stable@vger.kernel.org List-ID: QW0gTWl0dHdvY2gsIGRlbiAxMC4wMS4yMDE4LCAwODoxMyArMDEwMCBzY2hyaWViIEhhbnMgZGUg R29lZGU6Cj4gSWYgd2UgcmV0dXJuIDEgZnJvbSBvdXIgcG9zdF9yZXNldCBoYW5kbGVyLCB0aGVu IG91ciBkaXNjb25uZWN0IGhhbmRsZXIKPiB3aWxsIGJlIGNhbGxlZCBpbW1lZGlhdGVseSBhZnRl cndhcmRzLiBTaW5jZSBwcmVfcmVzZXQgYmxvY2tzIGFsbCBzY3NpCj4gcmVxdWVzdHMgb3VyIGRp c2Nvbm5lY3QgaGFuZGxlciB3aWxsIHRoZW4gaGFuZyBpbiB0aGUgc2NzaV9yZW1vdmVfaG9zdAo+ IGNhbGwuCgpIaSBIYW5zLAoKaXQgc2VlbXMgdG8gbWUgdGhhdCB0aGUgZGlhZ25vc2lzIGlzIHNw b3Qgb24uIEJ1dCB3aHkgZG8gd2UKa2VlcCBkaWZmZXJlbnQgY29kZSBwYXRocyBhdCBhbGwgaW4g dGhpcyBjYXNlPyBJIGRvIG5vdCBzZWUKdGhlIHBvaW50IG9mIG5vdCByZXBvcnRpbmcgdGhlIHJl c2V0IHRvIHRoZSBTQ1NJIHN1YnN5c3RlbSwKZXZlbiBpZiB3ZSBhcmUgbm90IG9wZXJhdGlvbmFs IGFmdGVyd2FyZHMuClNvIGhvdyBhYm91dCBzb21ldGhpbmcgbGlrZSB0aGlzPwoKRnJvbSA0ZDFl MjYxNTRiYzVkMDk5MTNiZmJhMzRkN2FkYzM5Y2NlOThkMjBhIE1vbiBTZXAgMTcgMDA6MDA6MDAg MjAwMQpGcm9tOiBPbGl2ZXIgTmV1a3VtIDxvbmV1a3VtQHN1c2UuY29tPgpEYXRlOiBXZWQsIDEw IEphbiAyMDE4IDE2OjE2OjAzICswMTAwClN1YmplY3Q6IFtQQVRDSF0gdXNiOiB1YXM6IHVuY29u ZGl0aW9uYWxseSBicmluZyBiYWNrIGhvc3QgYWZ0ZXIgcmVzZXQKClF1b3RpbmcgSGFuczoKCklm IHdlIHJldHVybiAxIGZyb20gb3VyIHBvc3RfcmVzZXQgaGFuZGxlciwgdGhlbiBvdXIgZGlzY29u bmVjdCBoYW5kbGVyCndpbGwgYmUgY2FsbGVkIGltbWVkaWF0ZWx5IGFmdGVyd2FyZHMuIFNpbmNl IHByZV9yZXNldCBibG9ja3MgYWxsIHNjc2kKcmVxdWVzdHMgb3VyIGRpc2Nvbm5lY3QgaGFuZGxl ciB3aWxsIHRoZW4gaGFuZyBpbiB0aGUgc2NzaV9yZW1vdmVfaG9zdApjYWxsLgoKVGhpcyBpcyBl c3AuIGJhZCBiZWNhdXNlIG91ciBkaXNjb25uZWN0IGhhbmRsZXIgaGFuZ2luZyBmb3IgZXZlciBh bHNvCnN0b3BzIHRoZSBVU0Igc3Vic3lzIGZyb20gZW51bWVyYXRpbmcgYW55IG5ldyBVU0IgZGV2 aWNlcywgY2F1c2VzCmNvbW1hbmRzCmxpa2UgbHN1c2IgdG8gaGFuZywgZXRjLgoKSW4gcHJhY3Rp Y2UgdGhpcyBoYXBwZW5zIHdoZW4gdW5wbHVnZ2luZyBzb21lIHVhcyBkZXZpY2VzIGJlY2F1c2Ug dGhlCmh1Ygpjb2RlIG1heSBzZWUgdGhlIGRldmljZSBhcyBuZWVkaW5nIGEgd2FybS1yZXNldCBh bmQgY2FsbHMKdXNiX3Jlc2V0X2RldmljZQpiZWZvcmUgc2VlaW5nIHRoZSBkaXNjb25uZWN0LiBJ biB0aGlzIGNhc2UgdWFzX2NvbmZpZ3VyZV9lbmRwb2ludHMKZmFpbHMKd2l0aCAtRU5PREVWLiBX ZSBkbyBub3Qgd2FudCB0byBwcmludCBhbiBlcnJvciBmb3IgdGhpcywgc28gdGhpcyBjb21taXQK YWxzbyBzaWxlbmNlcyB0aGUgc2hvc3RfcHJpbnRrIGZvciAtRU5PREVWLgoKRU5EUVVPVEUKCkhv d2V2ZXIsIGlmIHdlIGRvIHRoYXQgd2UgYmV0dGVyIGRyb3AgYW55IHVuY29uZGl0aW9uYWwgZXhl Y3V0aW9uCmFuZCByZXBvcnQgdG8gdGhlIFNDU0kgc3Vic3lzdGVtIHRoYXQgd2UgaGF2ZSB1bmRl cmdvbmUgYSByZXNldApidXQgd2UgYXJlIG5vdCBvcGVyYXRpb25hbCBub3cuCgpTaWduZWQtb2Zm LWJ5OiBPbGl2ZXIgTmV1a3VtIDxvbmV1a3VtQHN1c2UuY29tPgpSZXBvcnRlZC1ieTogSGFucyBk ZSBHb2VkZSA8aGRlZ29lZGVAcmVkaGF0LmNvbT4KLS0tCsKgTWFrZWZpbGXCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqB8IDIgKy0KwqBkcml2ZXJzL3VzYi9zdG9yYWdlL3Vhcy5j IHwgNyArKystLS0tCsKgMiBmaWxlcyBjaGFuZ2VkLCA0IGluc2VydGlvbnMoKyksIDUgZGVsZXRp b25zKC0pCgrCoHN0YXRpYyBpbnQgdWFzX3N1c3BlbmQoc3RydWN0IHVzYl9pbnRlcmZhY2UgKmlu dGYsIHBtX21lc3NhZ2VfdAptZXNzYWdlKQotLcKgCjIuMTMuNgotLQpUbyB1bnN1YnNjcmliZSBm cm9tIHRoaXMgbGlzdDogc2VuZCB0aGUgbGluZSAidW5zdWJzY3JpYmUgbGludXgtdXNiIiBpbgp0 aGUgYm9keSBvZiBhIG1lc3NhZ2UgdG8gbWFqb3Jkb21vQHZnZXIua2VybmVsLm9yZwpNb3JlIG1h am9yZG9tbyBpbmZvIGF0ICBodHRwOi8vdmdlci5rZXJuZWwub3JnL21ham9yZG9tby1pbmZvLmh0 bWwKCmRpZmYgLS1naXQgYS9kcml2ZXJzL3VzYi9zdG9yYWdlL3Vhcy5jIGIvZHJpdmVycy91c2Iv c3RvcmFnZS91YXMuYwppbmRleCA1ZDA0YzQwZWU0MGEuLjNiMWI5Njk1MTc3YSAxMDA2NDQKLS0t IGEvZHJpdmVycy91c2Ivc3RvcmFnZS91YXMuYworKysgYi9kcml2ZXJzL3VzYi9zdG9yYWdlL3Vh cy5jCkBAIC0xMDc2LDIwICsxMDc2LDE5IEBAIHN0YXRpYyBpbnQgdWFzX3Bvc3RfcmVzZXQoc3Ry dWN0IHVzYl9pbnRlcmZhY2UKKmludGYpCsKgCQlyZXR1cm4gMDsKwqAKwqAJZXJyID0gdWFzX2Nv bmZpZ3VyZV9lbmRwb2ludHMoZGV2aW5mbyk7Ci0JaWYgKGVycikgeworCWlmIChlcnIgJiYgZXJy ICE9IEVOT0RFVikKwqAJCXNob3N0X3ByaW50ayhLRVJOX0VSUiwgc2hvc3QsCsKgCQkJwqDCoMKg wqDCoCIlczogYWxsb2Mgc3RyZWFtcyBlcnJvciAlZCBhZnRlciByZXNldCIsCsKgCQkJwqDCoMKg wqDCoF9fZnVuY19fLCBlcnIpOwotCQlyZXR1cm4gMTsKLQl9CsKgCisJLyogd2UgbXVzdCB1bmJs b2NrIHRoZSBob3N0IGluIGV2ZXJ5IGNhc2UgbGVzdCB3ZSBkZWFkbG9jayAqLwrCoAlzcGluX2xv Y2tfaXJxc2F2ZShzaG9zdC0+aG9zdF9sb2NrLCBmbGFncyk7CsKgCXNjc2lfcmVwb3J0X2J1c19y ZXNldChzaG9zdCwgMCk7CsKgCXNwaW5fdW5sb2NrX2lycXJlc3RvcmUoc2hvc3QtPmhvc3RfbG9j aywgZmxhZ3MpOwrCoArCoAlzY3NpX3VuYmxvY2tfcmVxdWVzdHMoc2hvc3QpOwrCoAotCXJldHVy biAwOworCXJldHVybiBlcnIgPyAxIDogMDsKwqB9CsKgCg==