diff mbox series

[2/2] usb: cdns3: Variable ‘length’ set but not used

Message ID 20201007033932.23050-1-pawell@cadence.com
State Superseded
Headers show
Series None | expand

Commit Message

Pawel Laszczak Oct. 7, 2020, 3:39 a.m. UTC
Patch removes not used variable 'length' from
cdns3_wa2_descmiss_copy_data function.

Signed-off-by: Pawel Laszczak <pawell@cadence.com>
---
 drivers/usb/cdns3/gadget.c | 2 --
 1 file changed, 2 deletions(-)

Comments

Roger Quadros Oct. 7, 2020, 8:15 a.m. UTC | #1
On 07/10/2020 06:39, Pawel Laszczak wrote:
> Patch removes not used variable 'length' from
> cdns3_wa2_descmiss_copy_data function.
> 
> Signed-off-by: Pawel Laszczak <pawell@cadence.com>

Fixes: commit 141e70fef4ee ("usb: cdns3: gadget: need to handle sg case for workaround 2 case")

Acked-by: Roger Quadros <rogerq@ti.com>

> ---
>   drivers/usb/cdns3/gadget.c | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
> index 6e7b70a2e352..692acf7b9b14 100644
> --- a/drivers/usb/cdns3/gadget.c
> +++ b/drivers/usb/cdns3/gadget.c
> @@ -506,7 +506,6 @@ static void cdns3_wa2_descmiss_copy_data(struct cdns3_endpoint *priv_ep,
>   
>   	while (!list_empty(&priv_ep->wa2_descmiss_req_list)) {
>   		int chunk_end;
> -		int length;
>   
>   		descmiss_priv_req =
>   			cdns3_next_priv_request(&priv_ep->wa2_descmiss_req_list);
> @@ -517,7 +516,6 @@ static void cdns3_wa2_descmiss_copy_data(struct cdns3_endpoint *priv_ep,
>   			break;
>   
>   		chunk_end = descmiss_priv_req->flags & REQUEST_INTERNAL_CH;
> -		length = request->actual + descmiss_req->actual;
>   		request->status = descmiss_req->status;
>   		__cdns3_descmiss_copy_data(request, descmiss_req);
>   		list_del_init(&descmiss_priv_req->list);
>
Sergei Shtylyov Oct. 7, 2020, 10:28 a.m. UTC | #2
Hello!

On 10/7/20 11:15 AM, Roger Quadros wrote:

[...]
>> Patch removes not used variable 'length' from
>> cdns3_wa2_descmiss_copy_data function.
>>
>> Signed-off-by: Pawel Laszczak <pawell@cadence.com>
> 
> Fixes: commit 141e70fef4ee ("usb: cdns3: gadget: need to handle sg case for workaround 2 case")

   No "commit" is needed here.

> Acked-by: Roger Quadros <rogerq@ti.com>
[...]

MBR, Sergei
Pawel Laszczak Oct. 8, 2020, 3:57 a.m. UTC | #3
Siergei,

>

>On 10/7/20 11:15 AM, Roger Quadros wrote:

>

>[...]

>>> Patch removes not used variable 'length' from

>>> cdns3_wa2_descmiss_copy_data function.

>>>

>>> Signed-off-by: Pawel Laszczak <pawell@cadence.com>

>>

>> Fixes: commit 141e70fef4ee ("usb: cdns3: gadget: need to handle sg case for workaround 2 case")

>

>   No "commit" is needed here.


Can you explain why? 

I guess it's because commit 141e70fef4ee is quite new and it's not yet included in any stable kernel version, 
or because it's only warning - not error. 

Am I right ? 

>

>> Acked-by: Roger Quadros <rogerq@ti.com>

>[...]

>


Regards, 
Pawel
Roger Quadros Oct. 8, 2020, 7:29 a.m. UTC | #4
Pawel,

On 08/10/2020 06:57, Pawel Laszczak wrote:
> Siergei,
> 
>>
>> On 10/7/20 11:15 AM, Roger Quadros wrote:
>>
>> [...]
>>>> Patch removes not used variable 'length' from
>>>> cdns3_wa2_descmiss_copy_data function.
>>>>
>>>> Signed-off-by: Pawel Laszczak <pawell@cadence.com>
>>>
>>> Fixes: commit 141e70fef4ee ("usb: cdns3: gadget: need to handle sg case for workaround 2 case")
>>
>>    No "commit" is needed here.
> 
> Can you explain why?
> 
> I guess it's because commit 141e70fef4ee is quite new and it's not yet included in any stable kernel version,
> or because it's only warning - not error.
> 
> Am I right ?

Siergei meant that the word "commit" should not be used. So it should be

Fixes: 141e70fef4ee ("usb: cdns3: gadget: need to handle sg case for workaround 2 case")

cheers,
-roger

> 
>>
>>> Acked-by: Roger Quadros <rogerq@ti.com>
>> [...]
>>
> 
> Regards,
> Pawel
>
Sergei Shtylyov Oct. 8, 2020, 10:18 a.m. UTC | #5
Hello!

On 08.10.2020 6:57, Pawel Laszczak wrote:

> Siergei,

    Sergei, or, more correctly, Sergey. :-)

> 
>>
>> On 10/7/20 11:15 AM, Roger Quadros wrote:
>>
>> [...]
>>>> Patch removes not used variable 'length' from
>>>> cdns3_wa2_descmiss_copy_data function.
>>>>
>>>> Signed-off-by: Pawel Laszczak <pawell@cadence.com>
>>>
>>> Fixes: commit 141e70fef4ee ("usb: cdns3: gadget: need to handle sg case for workaround 2 case")
>>
>>    No "commit" is needed here.
> 
> Can you explain why?
> 
> I guess it's because commit 141e70fef4ee is quite new and it's not yet included in any stable kernel version,
> or because it's only warning - not error.
> 
> Am I right ?

    No, it's because the format is:

Fixes: <SHA1> ("<summary>")

no word "commit" is needed. :-)

>>> Acked-by: Roger Quadros <rogerq@ti.com>
>> [...]
> 
> Regards,
> Pawel

MBR, Sergei
diff mbox series

Patch

diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index 6e7b70a2e352..692acf7b9b14 100644
--- a/drivers/usb/cdns3/gadget.c
+++ b/drivers/usb/cdns3/gadget.c
@@ -506,7 +506,6 @@  static void cdns3_wa2_descmiss_copy_data(struct cdns3_endpoint *priv_ep,
 
 	while (!list_empty(&priv_ep->wa2_descmiss_req_list)) {
 		int chunk_end;
-		int length;
 
 		descmiss_priv_req =
 			cdns3_next_priv_request(&priv_ep->wa2_descmiss_req_list);
@@ -517,7 +516,6 @@  static void cdns3_wa2_descmiss_copy_data(struct cdns3_endpoint *priv_ep,
 			break;
 
 		chunk_end = descmiss_priv_req->flags & REQUEST_INTERNAL_CH;
-		length = request->actual + descmiss_req->actual;
 		request->status = descmiss_req->status;
 		__cdns3_descmiss_copy_data(request, descmiss_req);
 		list_del_init(&descmiss_priv_req->list);