usb: renesas_usbhs: mod_host: fixup usbhsh_ureq_free() timing

usbhsh_ureq_free() free ureq which includes ubshs_pkt.
But current driver used usbhs_pkt after freed ureq.
This patch fixup this bug.
Special thanks to Chen

Reported-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index 3d3cd6c..b868154 100644 (file)
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -661,9 +661,10 @@ static void usbhsh_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt)
                status = -ESHUTDOWN;
 
        urb->actual_length = pkt->actual;
-       usbhsh_ureq_free(hpriv, ureq);
 
        usbhsh_endpoint_sequence_save(hpriv, urb, pkt);
+       usbhsh_ureq_free(hpriv, ureq);
+
        usbhsh_pipe_detach(hpriv, usbhsh_ep_to_uep(urb->ep));
 
        usb_hcd_unlink_urb_from_ep(hcd, urb);