usb-redir: Change usbredir_open_chardev into usbredir_create_parser

As we need to create the parser at more places.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

hw/usb/redirect.c

@@ -862,15 +862,11 @@ static void usbredir_chardev_close_bh(void *opaque)
     }
 }
 
-static void usbredir_chardev_open(USBRedirDevice *dev)
+static void usbredir_create_parser(USBRedirDevice *dev)
 {
     uint32_t caps[USB_REDIR_CAPS_SIZE] = { 0, };
     int flags = 0;
 
-    /* Make sure any pending closes are handled (no-op if none pending) */
-    usbredir_chardev_close_bh(dev);
-    qemu_bh_cancel(dev->chardev_close_bh);
-
     DPRINTF("creating usbredirparser\n");
 
     dev->parser = qemu_oom_check(usbredirparser_create());
@@ -982,7 +978,10 @@ static void usbredir_chardev_event(void *opaque, int event)
     switch (event) {
     case CHR_EVENT_OPENED:
         DPRINTF("chardev open\n");
-        usbredir_chardev_open(dev);
+        /* Make sure any pending closes are handled (no-op if none pending) */
+        usbredir_chardev_close_bh(dev);
+        qemu_bh_cancel(dev->chardev_close_bh);
+        usbredir_create_parser(dev);
         break;
     case CHR_EVENT_CLOSED:
         DPRINTF("chardev close\n");