[PATCH] USB gadget: drain rndis response queue on disconnect
Drain the rndis response queue on disconnect. This fixes a problem
in which an rndis response left in the queue from a previous session
could cause a subsequent session to fail.
Signed-off-by: Andy Lowe <alowe@mvista.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c
index c9a0af2..06b6eba 100644
--- a/drivers/usb/gadget/rndis.c
+++ b/drivers/usb/gadget/rndis.c
@@ -1025,11 +1025,17 @@
void rndis_uninit (int configNr)
{
+ u8 *buf;
+ u32 length;
+
if (configNr >= RNDIS_MAX_CONFIGS)
return;
rndis_per_dev_params [configNr].used = 0;
rndis_per_dev_params [configNr].state = RNDIS_UNINITIALIZED;
- return;
+
+ /* drain the response queue */
+ while ((buf = rndis_get_next_response(configNr, &length)))
+ rndis_free_response(configNr, buf);
}
void rndis_set_host_mac (int configNr, const u8 *addr)