linux-kernel - Re: [PATCH v3 1/2] staging: r8188eu: fix potential memory leak in _rtw_init_xmit

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Date:   Tue, 26 Apr 2022 11:40:44 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     xkernel.wang@...mail.com
Cc:     paskripkin@...il.com, Larry.Finger@...inger.net,
        phil@...lpotter.co.uk, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/2] staging: r8188eu: fix potential memory leak in
 _rtw_init_xmit_priv()

On Fri, Apr 08, 2022 at 09:37:10AM +0800, xkernel.wang@...mail.com wrote:
> From: Xiaoke Wang <xkernel.wang@...mail.com>
> 
> In _rtw_init_xmit_priv(), there are several error paths for allocation
> failures just jump to the `exit` section. However, there is no action
> will be performed, so the allocated resources are not properly released,
> which leads to various memory leaks.
> 
> To properly release them, this patch unifies the error handling code and
> several error handling paths are added.
> According to the allocation sequence, if the validation fails, it will
> jump to its corresponding error tag to release the resources.
> 
> Signed-off-by: Xiaoke Wang <xkernel.wang@...mail.com>
> ---
> ChangeLog:
> v1->v2 update the description and adjust the sequence of patches.
> v2->v3 None to this patch, but some to another pathch in this series.
>  drivers/staging/r8188eu/core/rtw_xmit.c | 32 ++++++++++++++++++-------
>  1 file changed, 24 insertions(+), 8 deletions(-)

I still have 12 patches in my queue from you, yet no idea which order
they belong in at all, nor which is the latest versions :(

Please rebase and resubmit them ALL as a single patch series so I can
have a hint as to what to do here.

thanks,

greg k-h