diff options
Diffstat (limited to 'hw/usb-msd.c')
| -rw-r--r-- | hw/usb-msd.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/hw/usb-msd.c b/hw/usb-msd.c index c59797b27e..86582cc723 100644 --- a/hw/usb-msd.c +++ b/hw/usb-msd.c @@ -51,6 +51,7 @@ typedef struct { SCSIRequest *req; SCSIBus bus; BlockConf conf; + char *serial; SCSIDevice *scsi_dev; uint32_t removable; int result; @@ -497,8 +498,9 @@ static void usb_msd_password_cb(void *opaque, int err) MSDState *s = opaque; if (!err) - usb_device_attach(&s->dev); - else + err = usb_device_attach(&s->dev); + + if (err) qdev_unplug(&s->dev.qdev); } @@ -531,9 +533,15 @@ static int usb_msd_initfn(USBDevice *dev) bdrv_detach(bs, &s->dev.qdev); s->conf.bs = NULL; - dinfo = drive_get_by_blockdev(bs); - if (dinfo && dinfo->serial) { - usb_desc_set_string(dev, STR_SERIALNUMBER, dinfo->serial); + if (!s->serial) { + /* try to fall back to value set with legacy -drive serial=... */ + dinfo = drive_get_by_blockdev(bs); + if (*dinfo->serial) { + s->serial = strdup(dinfo->serial); + } + } + if (s->serial) { + usb_desc_set_string(dev, STR_SERIALNUMBER, s->serial); } usb_desc_init(dev); @@ -632,6 +640,7 @@ static struct USBDeviceInfo msd_info = { .usbdevice_init = usb_msd_init, .qdev.props = (Property[]) { DEFINE_BLOCK_PROPERTIES(MSDState, conf), + DEFINE_PROP_STRING("serial", MSDState, serial), DEFINE_PROP_BIT("removable", MSDState, removable, 0, false), DEFINE_PROP_END_OF_LIST(), }, |