> From: Paolo Bonzini [mailto:pbonz...@redhat.com] > Sent: Thursday, September 18, 2014 6:08 PM > Subject: Re: [PATCH 02/19] usb-bus: convert USBDeviceClass init to realize > > Il 18/09/2014 11:32, arei.gong...@huawei.com ha scritto: > > @@ -460,7 +460,7 @@ static void usb_serial_event(void *opaque, int event) > > break; > > case CHR_EVENT_OPENED: > > if (!s->dev.attached) { > > - usb_device_attach(&s->dev); > > + usb_device_attach(&s->dev, NULL); > > After this patch, this stops printing the error if the attach fails. > Please add qerror_report_err. >
Good catch. Will fix it in v2. Thanks a lot for your fast reviewing! :) > > } > > break; > > case CHR_EVENT_CLOSED: > > @@ -489,7 +489,7 @@ static int usb_serial_initfn(USBDevice *dev) > > usb_serial_handle_reset(dev); > > > > if (s->cs->be_open && !dev->attached) { > > - usb_device_attach(dev); > > + usb_device_attach(dev, NULL); > > This too. Please add qerror_report_err here too and, in this case, > please make patch 12 pass the errp instead of using qerror_report_err. > OK. Got it. Best regards, -Gonglei > Paolo > > > } > > return 0;