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-rw-r--r--hw/usb-msd.c10
-rw-r--r--hw/usb.h3
2 files changed, 10 insertions, 3 deletions
diff --git a/hw/usb-msd.c b/hw/usb-msd.c
index 0c8d9cca83..41c92c3f1d 100644
--- a/hw/usb-msd.c
+++ b/hw/usb-msd.c
@@ -514,7 +514,7 @@ static void usb_msd_handle_destroy(USBDevice *dev)
     qemu_free(s);
 }
 
-USBDevice *usb_msd_init(const char *filename, BlockDriverState **pbs)
+USBDevice *usb_msd_init(const char *filename)
 {
     MSDState *s;
     BlockDriverState *bdrv;
@@ -554,7 +554,6 @@ USBDevice *usb_msd_init(const char *filename, BlockDriverState **pbs)
     if (bdrv_open2(bdrv, filename, 0, drv) < 0)
         goto fail;
     s->bs = bdrv;
-    *pbs = bdrv;
 
     s->dev.speed = USB_SPEED_FULL;
     s->dev.handle_packet = usb_generic_handle_packet;
@@ -574,3 +573,10 @@ USBDevice *usb_msd_init(const char *filename, BlockDriverState **pbs)
     qemu_free(s);
     return NULL;
 }
+
+BlockDriverState *usb_msd_get_bdrv(USBDevice *dev)
+{
+    MSDState *s = (MSDState *)dev;
+
+    return s->bs;
+}
diff --git a/hw/usb.h b/hw/usb.h
index 4cd832d492..a5e0d44d3b 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -253,7 +253,8 @@ USBDevice *usb_keyboard_init(void);
 void usb_hid_datain_cb(USBDevice *dev, void *opaque, void (*datain)(void *));
 
 /* usb-msd.c */
-USBDevice *usb_msd_init(const char *filename, BlockDriverState **pbs);
+USBDevice *usb_msd_init(const char *filename);
+BlockDriverState *usb_msd_get_bdrv(USBDevice *dev);
 
 /* usb-net.c */
 USBDevice *usb_net_init(NICInfo *nd);