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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>
This commit is contained in:
Kuninori Morimoto 2012-12-09 21:06:37 -08:00 committed by Felipe Balbi
parent d9fa298f21
commit e0b64ce6fe
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/renesas_usbhs/mod_host.c
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@ -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);