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: [1/3] usb: gadget: f_fs: Only return delayed status when len is 0 From: Jerry Zhang Message-Id: <20180417011742.192184-2-zhangjerry@google.com> Date: Mon, 16 Apr 2018 18:17:40 -0700 To: Felipe Balbi , Greg Kroah-Hartman , linux-usb@vger.kernel.org Cc: Michal Nazarewicz , Krzysztof Opasiak , Badhri Jagan Sridharan , Andrzej Pietrasiewicz , Lars-Peter Clausen , felixhaedicke@web.de, Jerry Zhang List-ID: Q29tbWl0IDFiOWJhMDAwICgiQWxsb3cgZnVuY3Rpb24gZHJpdmVycyB0byBwYXVzZSBjb250cm9s CnRyYW5zZmVycyIpIHN0YXRlcyB0aGF0IFVTQl9HQURHRVRfREVMQVlFRF9TVEFUVVMgaXMgb25s eQpzdXBwb3J0ZWQgaWYgZGF0YSBwaGFzZSBpcyAwIGJ5dGVzLgoKSXQgc2VlbXMgdGhhdCB3aGVu IHRoZSBsZW5ndGggaXMgbm90IDAgYnl0ZXMsIHRoZXJlIGlzIG5vCm5lZWQgdG8gZXhwbGljaXRs eSBkZWxheSB0aGUgZGF0YSBzdGFnZSBzaW5jZSB0aGUgdHJhbnNmZXIKaXMgbm90IGNvbXBsZXRl ZCB1bnRpbCB0aGUgdXNlciByZXNwb25kcy4gSG93ZXZlciwgd2hlbiB0aGUKbGVuZ3RoIGlzIDAs IHRoZXJlIGlzIG5vIGRhdGEgc3RhZ2UgYW5kIHRoZSB0cmFuc2ZlciBpcwpmaW5pc2hlZCBvbmNl IHNldHVwKCkgcmV0dXJucywgaGVuY2UgdGhlcmUgaXMgYSBuZWVkIHRvCmV4cGxpY2l0bHkgZGVs YXkgY29tcGxldGlvbi4KClRoaXMgbWFuaWZlc3RzIGFzIHRoZSBmb2xsb3dpbmcgYnVnczoKClBy aW9yIHRvIDk0NmVmNjhhZDRlNCAoJ0xldCBzZXR1cCgpIHJldHVybgpVU0JfR0FER0VUX0RFTEFZ RURfU1RBVFVTJyksIHdoZW4gc2V0dXAgaXMgMCBieXRlcywgZmZzCndvdWxkIHJlcXVpcmUgdXNl ciB0byBxdWV1ZSBhIDAgYnl0ZSByZXF1ZXN0IGluIG9yZGVyIHRvCmNsZWFyIHNldHVwIHN0YXRl LiBIb3dldmVyLCB0aGF0IDAgYnl0ZSByZXF1ZXN0IHdhcyBhY3R1YWxseQpub3QgbmVlZGVkIGFu ZCB3b3VsZCBoYW5nIGFuZCBjYXVzZSBlcnJvcnMgaW4gb3RoZXIgc2V0dXAKcmVxdWVzdHMuCgpB ZnRlciB0aGUgYWJvdmUgY29tbWl0LCAwIGJ5dGUgc2V0dXBzIHdvcmsgc2luY2UgdGhlIGdhZGdl dApub3cgYWNjZXB0cyBlbXB0eSBxdWV1ZXMgdG8gZXAwIHRvIGNsZWFyIHRoZSBkZWxheSwgYnV0 IGFsbApvdGhlciBzZXR1cHMgaGFuZy4KCkZpeGVzOiA5NDZlZjY4YWQ0ZTQgKCJMZXQgc2V0dXAo KSByZXR1cm4gVVNCX0dBREdFVF9ERUxBWUVEX1NUQVRVUyIpClNpZ25lZC1vZmYtYnk6IEplcnJ5 IFpoYW5nIDx6aGFuZ2plcnJ5QGdvb2dsZS5jb20+Ci0tLQogZHJpdmVycy91c2IvZ2FkZ2V0L2Z1 bmN0aW9uL2ZfZnMuYyB8IDIgKy0KIDEgZmlsZSBjaGFuZ2VkLCAxIGluc2VydGlvbigrKSwgMSBk ZWxldGlvbigtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvdXNiL2dhZGdldC9mdW5jdGlvbi9mX2Zz LmMgYi9kcml2ZXJzL3VzYi9nYWRnZXQvZnVuY3Rpb24vZl9mcy5jCmluZGV4IDdkNWIxYzQ0OGVi Mi4uNGIyY2I5ZDkzMTc2IDEwMDY0NAotLS0gYS9kcml2ZXJzL3VzYi9nYWRnZXQvZnVuY3Rpb24v Zl9mcy5jCisrKyBiL2RyaXZlcnMvdXNiL2dhZGdldC9mdW5jdGlvbi9mX2ZzLmMKQEAgLTMyNzEs NyArMzI3MSw3IEBAIHN0YXRpYyBpbnQgZmZzX2Z1bmNfc2V0dXAoc3RydWN0IHVzYl9mdW5jdGlv biAqZiwKIAlfX2Zmc19ldmVudF9hZGQoZmZzLCBGVU5DVElPTkZTX1NFVFVQKTsKIAlzcGluX3Vu bG9ja19pcnFyZXN0b3JlKCZmZnMtPmV2LndhaXRxLmxvY2ssIGZsYWdzKTsKIAotCXJldHVybiBV U0JfR0FER0VUX0RFTEFZRURfU1RBVFVTOworCXJldHVybiBjcmVxLT53TGVuZ3RoID09IDAgPyBV U0JfR0FER0VUX0RFTEFZRURfU1RBVFVTIDogMDsKIH0KIAogc3RhdGljIGJvb2wgZmZzX2Z1bmNf cmVxX21hdGNoKHN0cnVjdCB1c2JfZnVuY3Rpb24gKmYsCg==