Re: [PATCH] usb: gadget: udc: atmel: fix debug output
From: Nicolas Ferre
Date: Wed Feb 01 2017 - 12:07:59 EST
Le 01/02/2017 à 18:00, Alexandre Belloni a écrit :
> 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@xxxxxxxx>
> Acked-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx>
>
>> ---
>> 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
>>
>
--
Nicolas Ferre