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: [PATCH/RFC] usb: gadget: function: printer: avoid wrong list handling in printer_write() From: Felipe Balbi Message-Id: <87wovx71md.fsf@linux.intel.com> Date: Mon, 21 May 2018 13:18:50 +0300 To: Yoshihiro Shimoda Cc: "gregkh@linuxfoundation.org" , "linux-usb@vger.kernel.org" , "linux-renesas-soc@vger.kernel.org" List-ID: SGksCgpZb3NoaWhpcm8gU2hpbW9kYSA8eW9zaGloaXJvLnNoaW1vZGEudWhAcmVuZXNhcy5jb20+ IHdyaXRlczoKPiBIaSwKPgo+PiBGcm9tOiBGZWxpcGUgQmFsYmksIFNlbnQ6IE1vbmRheSwgTWF5 IDIxLCAyMDE4IDU6MDUgUE0KPiA8c25pcD4KPj4gc2VlbXMgbGlrZSBpdCB3b3VsZCBiZSBiZXR0 ZXIgdG8ganVzdCBtb3ZlIHRoaXMgbGlrZSBiZWZvcmUKPj4gdXNiX2VwX3F1ZXVlKCk6Cj4+IAo+ PiBtb2RpZmllZCAgIGRyaXZlcnMvdXNiL2dhZGdldC9mdW5jdGlvbi9mX3ByaW50ZXIuYwo+PiBA QCAtNjMxLDE5ICs2MzEsMTkgQEAgcHJpbnRlcl93cml0ZShzdHJ1Y3QgZmlsZSAqZmQsIGNvbnN0 IGNoYXIgX191c2VyICpidWYsIHNpemVfdCBsZW4sIGxvZmZfdCAqcHRyKQo+PiAgCQkJcmV0dXJu IC1FQUdBSU47Cj4+ICAJCX0KPj4gCj4+ICsJCWxpc3RfYWRkKCZyZXEtPmxpc3QsICZkZXYtPnR4 X3JlcXNfYWN0aXZlKTsKPj4gKwo+PiAgCQkvKiBoZXJlLCB3ZSB1bmxvY2ssIGFuZCBvbmx5IHVu bG9jaywgdG8gYXZvaWQgZGVhZGxvY2suICovCj4+ICAJCXNwaW5fdW5sb2NrKCZkZXYtPmxvY2sp Owo+PiAgCQl2YWx1ZSA9IHVzYl9lcF9xdWV1ZShkZXYtPmluX2VwLCByZXEsIEdGUF9BVE9NSUMp Owo+PiAgCQlzcGluX2xvY2soJmRldi0+bG9jayk7Cj4+ICAJCWlmICh2YWx1ZSkgewo+PiArCQkJ bGlzdF9kZWwoJnJlcS0+bGlzdCk7Cj4+ICAJCQlsaXN0X2FkZCgmcmVxLT5saXN0LCAmZGV2LT50 eF9yZXFzKTsKPj4gIAkJCXNwaW5fdW5sb2NrX2lycXJlc3RvcmUoJmRldi0+bG9jaywgZmxhZ3Mp Owo+PiAgCQkJbXV0ZXhfdW5sb2NrKCZkZXYtPmxvY2tfcHJpbnRlcl9pbyk7Cj4+ICAJCQlyZXR1 cm4gLUVBR0FJTjsKPj4gIAkJfQo+PiAtCj4+IC0JCWxpc3RfYWRkKCZyZXEtPmxpc3QsICZkZXYt PnR4X3JlcXNfYWN0aXZlKTsKPj4gLQo+PiAgCX0KPj4gCj4+ICAJc3Bpbl91bmxvY2tfaXJxcmVz dG9yZSgmZGV2LT5sb2NrLCBmbGFncyk7Cj4+IAo+PiAtLQo+Cj4gVGhhbmsgeW91IHZlcnkgbXVj aCBmb3IgeW91ciBwYXRjaCEgVGhpcyBjb3VsZCByZXNvbHZlIHRoZSBpc3N1ZS4KPiBTbywgc2hv dWxkIEkgc3VibWl0IHRoaXMgeW91ciBwYXRjaCBhcyB5b3VyIGF1dGhvcj8KCnlvdSBjYW4gc2Vu ZCBpdCB3aXRoIHlvdXIgYXV0aG9yc2hpcCwgaXQncyB0b3RhbGx5IGZpbmUgOi0pCgpZb3UgY2Fu IGFsc28gYWRkIG15OgoKQWNrZWQtYnk6IEZlbGlwZSBCYWxiaSA8ZmVsaXBlLmJhbGJpQGxpbnV4 LmludGVsLmNvbT4KCnRoYW5rcwo=