From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-Id: <20120330194829.308949218@linuxfoundation.org> Date: Fri, 30 Mar 2012 12:48:49 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Kuninori Morimoto , Felipe Balbi Subject: [ 024/175] usb: renesas_usbhs: bugfix: add .release function to gpriv->gadget.dev In-Reply-To: <20120330195801.GA31806@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Kuninori Morimoto commit 3b2a2e47174cd978258bbb0fdf2e2b1b5ec2144c upstream. This patch fixup below warning on device_unregister() renesas_usbhs renesas_usbhs.1: host probed renesas_usbhs renesas_usbhs.1: gadget probed renesas_usbhs renesas_usbhs.1: irq request err ------------[ cut here ]------------ WARNING: at ${LINUX}/drivers/base/core.c:1) Device 'gadget' does not have a release() function, it is broken and must be fi. Modules linked in: [] (unwind_backtrace+0x0/0xe4) from [] (warn_slowpath_commo) [] (warn_slowpath_common+0x4c/0x64) from [] (warn_slowpath_) [] (warn_slowpath_fmt+0x2c/0x3c) from [] (device_release+0x) [] (device_release+0x70/0x84) from [] (kobject_cleanup+0x58) [] (kobject_cleanup+0x58/0x6c) from [] (usbhs_mod_gadget_re) [] (usbhs_mod_gadget_remove+0x3c/0x6c) from [] (usbhs_mod_p) [] (usbhs_mod_probe+0x68/0x80) from [] (usbhs_probe+0x1cc/0) ... Signed-off-by: Kuninori Morimoto Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/renesas_usbhs/mod_gadget.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -941,6 +941,11 @@ static int usbhsg_stop(struct usbhs_priv return usbhsg_try_stop(priv, USBHSG_STATUS_STARTED); } +static void usbhs_mod_gadget_release(struct device *pdev) +{ + /* do nothing */ +} + int usbhs_mod_gadget_probe(struct usbhs_priv *priv) { struct usbhsg_gpriv *gpriv; @@ -989,6 +994,7 @@ int usbhs_mod_gadget_probe(struct usbhs_ */ dev_set_name(&gpriv->gadget.dev, "gadget"); gpriv->gadget.dev.parent = dev; + gpriv->gadget.dev.release = usbhs_mod_gadget_release; gpriv->gadget.name = "renesas_usbhs_udc"; gpriv->gadget.ops = &usbhsg_gadget_ops; gpriv->gadget.max_speed = USB_SPEED_HIGH;