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SubjectRe: [PATCH] staging:r8723bs: remove wrappers around skb_clone()
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On 5/31/20 8:36 PM, Joe Perches wrote:
> On Sun, 2020-05-31 at 20:28 +0300, Ivan Safonov wrote:
>> On 5/31/20 7:15 PM, Joe Perches wrote:
>>> On Sun, 2020-05-31 at 19:08 +0300, Ivan Safonov wrote:
>>>> Wrappers around skb_clone() do not simplify the driver code.
>>> []
>>>> -inline struct sk_buff *_rtw_skb_clone(struct sk_buff *skb)
>>>> -{
>>>> - return skb_clone(skb, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
>>>> -}
>>>> -
>>> []
>>>> diff --git a/drivers/staging/rtl8723bs/os_dep/recv_linux.c b/drivers/staging/rtl8723bs/os_dep/recv_linux.c
>>> []
>>>> @@ -110,7 +110,7 @@ void rtw_os_recv_indicate_pkt(struct adapter *padapter, _pkt *pkt, struct rx_pkt
>>>> if (memcmp(pattrib->dst, myid(&padapter->eeprompriv), ETH_ALEN)) {
>>>> if (bmcast) {
>>>> psta = rtw_get_bcmc_stainfo(padapter);
>>>> - pskb2 = rtw_skb_clone(pkt);
>>>> + pskb2 = skb_clone(pkt, GFP_ATOMIC);
>>>
>>> Why make every clone allocation GFP_ATOMIC ?
>>
>> The rtw_os_recv_indicate_pkt() is always called from an interrupt handler.
>
> It'd be better to indicate you know that in the changelog
> as the subject and changelog just shows removing wrappers
> and the patch code does not agree with that.

Yes, it's right.

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