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usb: renesas_usbhs: gadget: fix giveback status code in usbhsg_pipe_disable() 

A udc driver should set the giveback status to -ESHUTDOWN in
usb_ep_disable(). Otherwise, a gadget driver (e.g. g_serial) might
request next data wrongly and it is possible to cause kernel panic.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
hifive-unleashed-5.1
Yoshihiro Shimoda 2016-03-03 18:35:51 +09:00 committed by Felipe Balbi
parent dd9fee6798
commit 11ebf3ad3b
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/renesas_usbhs/mod_gadget.c
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@ -561,7 +561,7 @@ static int usbhsg_pipe_disable(struct usbhsg_uep *uep)
if (!pkt)
break;
usbhsg_queue_pop(uep, usbhsg_pkt_to_ureq(pkt), -ECONNRESET);
usbhsg_queue_pop(uep, usbhsg_pkt_to_ureq(pkt), -ESHUTDOWN);
}
usbhs_pipe_disable(pipe);