Subject: Re: [PATCH] ieee802154-atusb: Delete an unnecessary check before the function call "kfree_skb"

From: Stefan Schmidt <[email-masked]>
Date: Thu, 10 Dec 2015 11:14:43 +0100

Marcel,

On 17/11/15 17:18, Stefan Schmidt wrote:
> Hello.
>
> On 17/11/15 17:17, Stefan Schmidt wrote:
>> From: Markus Elfring <[email-masked]>
>> Date: Mon, 16 Nov 2015 13:50:23 +0100
>>
>> The kfree_skb() function tests whether its argument is NULL and then
>> returns immediately. Thus the test around the call is not needed.
>>
>> This issue was detected by using the Coccinelle software.
>>
>> Signed-off-by: Markus Elfring <[email-masked]>
>> ---
>>  drivers/net/ieee802154/atusb.c | 3 +--
>>  1 file changed, 1 insertion(+), 2 deletions(-)
>>
>> diff --git a/drivers/net/ieee802154/atusb.c 
>> b/drivers/net/ieee802154/atusb.c
>> index 199a94a..b1cd865 100644
>> --- a/drivers/net/ieee802154/atusb.c
>> +++ b/drivers/net/ieee802154/atusb.c
>> @@ -310,8 +310,7 @@ static void atusb_free_urbs(struct atusb *atusb)
>>          urb = usb_get_from_anchor(&atusb->idle_urbs);
>>          if (!urb)
>>              break;
>> -        if (urb->context)
>> -            kfree_skb(urb->context);
>> +        kfree_skb(urb->context);
>>          usb_free_urb(urb);
>>      }
>>  }
>
> Acked-by: Stefan Schmidt <[email-masked]>

You got the original patch and my ACK on this one or would you prefer me 
to resend it again?

regards
Stefan Schmidt