usb: renesas_usbhs: gadget: fix giveback status code in usbhsg_pipe_disable()
authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Thu, 3 Mar 2016 09:35:51 +0000 (18:35 +0900)
committerFelipe Balbi <balbi@kernel.org>
Fri, 4 Mar 2016 13:14:48 +0000 (15:14 +0200)
commit11ebf3ad3b871d262491790e3b273e963d4c3c28
treec5d2716942296d9617d1ec551bfd8362f6f96d13
parentdd9fee67985882fd05fcf252fb4500265cb3fdcb
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>
drivers/usb/renesas_usbhs/mod_gadget.c