usb: split endpoint init and reset
Create a new usb_ep_reset() function to reset endpoint state, without
re-initialiting the queues, so we don't unlink in-flight packets just
because usb-host has to re-parse the descriptor tables.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/hw/usb/host-linux.c b/hw/usb/host-linux.c
index 5479fb5..9ba8925 100644
--- a/hw/usb/host-linux.c
+++ b/hw/usb/host-linux.c
@@ -1136,7 +1136,7 @@
USBDescriptor *d;
bool active = false;
- usb_ep_init(&s->dev);
+ usb_ep_reset(&s->dev);
for (i = 0;; i += d->bLength) {
if (i+2 >= s->descr_len) {
@@ -1239,7 +1239,7 @@
return 0;
error:
- usb_ep_init(&s->dev);
+ usb_ep_reset(&s->dev);
return 1;
}
@@ -1326,6 +1326,7 @@
goto fail;
}
+ usb_ep_init(&dev->dev);
ret = usb_linux_update_endp_table(dev);
if (ret) {
goto fail;