From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Felipe Balbi <balbi@kernel.org>,
Nicolas Ferre <nicolas.ferre@microchip.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] usb: gadget: udc: atmel: fix debug output
Date: Wed, 1 Feb 2017 18:00:52 +0100 [thread overview]
Message-ID: <20170201170052.pvltw6punq6ncmwr@piout.net> (raw)
In-Reply-To: <20170201164218.2421617-1-arnd@arndb.de>
On 01/02/2017 at 17:41:55 +0100, Arnd Bergmann wrote:
> The debug output now contains the wrong variable, as seen from the compiler
> warning:
>
> drivers/usb/gadget/udc/atmel_usba_udc.c: In function 'usba_ep_enable':
> drivers/usb/gadget/udc/atmel_usba_udc.c:632:550: error: 'ept_cfg' may be used uninitialized in this function [-Werror=maybe-uninitialized]
> DBG(DBG_ERR, "%s: EPT_CFG = 0x%lx (maxpacket = %lu)\n",
>
> This changes the debug output the same way as the other code.
>
> Fixes: 741d2558bf0a ("usb: gadget: udc: atmel: Update endpoint allocation scheme")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
> ---
> drivers/usb/gadget/udc/atmel_usba_udc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
> index 11bbce28bc23..2035906b8ced 100644
> --- a/drivers/usb/gadget/udc/atmel_usba_udc.c
> +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
> @@ -610,7 +610,7 @@ usba_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
> {
> struct usba_ep *ep = to_usba_ep(_ep);
> struct usba_udc *udc = ep->udc;
> - unsigned long flags, ept_cfg, maxpacket;
> + unsigned long flags, maxpacket;
> unsigned int nr_trans;
>
> DBG(DBG_GADGET, "%s: ep_enable: desc=%p\n", ep->ep.name, desc);
> @@ -630,7 +630,7 @@ usba_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
> ep->is_in = 0;
>
> DBG(DBG_ERR, "%s: EPT_CFG = 0x%lx (maxpacket = %lu)\n",
> - ep->ep.name, ept_cfg, maxpacket);
> + ep->ep.name, ep->ept_cfg, maxpacket);
>
> if (usb_endpoint_dir_in(desc)) {
> ep->is_in = 1;
> --
> 2.9.0
>
--
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
next prev parent reply other threads:[~2017-02-01 17:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-01 16:41 Arnd Bergmann
2017-02-01 17:00 ` Alexandre Belloni [this message]
2017-02-01 17:08 ` Nicolas Ferre
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