Re: [PATCH v2 2/2] staging: r8188eu: proper error handling in rtw_init_drv_sw

From: Vihas Makwana
Date: Wed Mar 16 2022 - 02:56:51 EST


> On Thu, Mar 10, 2022 at 02:20:47AM +0530, Vihas Makwana wrote:
> > The code inside rtw_init_drv_sw() calls various init functions to
> > populate the padapter structure and checks for their return values
> > respectively.
> > But if one of the functions in middle fails then it simply returns
> > _FAIL instead of proper logging and calling freeing counterparts
> > of previous init functions.
> > This leads to various memory leaks and can be found in
> > /sys/kernel/debug/kmemleak if kernel is compiled with DEBUG_KMEMLEAK=y.
> >
> > Fix this and keep the success and error separate.
> >
> > Fixes: 2b42bd58b321 ("staging: r8188eu: introduce new os_dep dir for
> > RTL8188eu driver")
>
> Nit, that needed to be on one line, and no blank line before the next
> ones.
>

Oh okay. I will take care of that when submitting patches in future.

> I've fixed it up now.
>

Thanks Greg.

On Tue, Mar 15, 2022 at 7:49 PM Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Thu, Mar 10, 2022 at 02:20:47AM +0530, Vihas Makwana wrote:
> > The code inside rtw_init_drv_sw() calls various init functions to
> > populate the padapter structure and checks for their return values
> > respectively.
> > But if one of the functions in middle fails then it simply returns
> > _FAIL instead of proper logging and calling freeing counterparts
> > of previous init functions.
> > This leads to various memory leaks and can be found in
> > /sys/kernel/debug/kmemleak if kernel is compiled with DEBUG_KMEMLEAK=y.
> >
> > Fix this and keep the success and error separate.
> >
> > Fixes: 2b42bd58b321 ("staging: r8188eu: introduce new os_dep dir for
> > RTL8188eu driver")
>
> Nit, that needed to be on one line, and no blank line before the next
> ones.
>
> I've fixed it up now.
>
> thanks,
>
> greg k-h



--
Thanks,
Vihas