Re: question about memory leak in ip_mc_del1_src

From: David Miller
Date: Tue Mar 05 2019 - 12:00:26 EST


From: maowenan <maowenan@xxxxxxxxxx>
Date: Tue, 5 Mar 2019 11:33:03 +0800

>
>
> On 2019/3/5 2:16, David Miller wrote:
>> From: maowenan <maowenan@xxxxxxxxxx>
>> Date: Mon, 4 Mar 2019 20:47:42 +0800
>>
>>> pmc->tomb = psf;
>>> rv = 1; //if it does not kfree(psf), will it lead to memory leak after this line?
>>
>> pmc->tomb points to psf, why should we free it?
>
> Thank you David.
> Yes, pmc->tomb points to psf, but this is a delete path
> for ip_mc_add1_src, if we don't free psf, where it can be done?

When the 'pmc' object is destroyed.