linux-kernel - Re: [PATCH] usb: cdnsp: Fix potential memory leak in cdnsp_alloc_stream

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Date:   Thu, 14 Jul 2022 16:01:51 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Jianglei Nie <niejianglei2021@....com>
Cc:     pawell@...ence.com, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: cdnsp: Fix potential memory leak in
 cdnsp_alloc_stream_info()

On Thu, Jun 30, 2022 at 08:54:30AM +0200, Greg KH wrote:
> On Thu, Jun 30, 2022 at 08:51:48AM +0800, Jianglei Nie wrote:
> > cdnsp_alloc_stream_info() allocates stream context array for stream_info
> > ->stream_ctx_array with cdnsp_alloc_stream_ctx(). When some error occurs,
> > stream_info->stream_ctx_array is not released, which will lead to a
> > memory leak.
> > 
> > We can fix it by releasing the stream_info->stream_ctx_array with
> > cdnsp_free_stream_ctx() on the error path to avoid the potential memory
> > leak.
> > 
> > Signed-off-by: Jianglei Nie <niejianglei2021@....com>
> > ---
> >  drivers/usb/cdns3/cdnsp-mem.c | 1 +
> >  1 file changed, 1 insertion(+)
> 
> What commit id does this fix?

Dropped due to lack of response.

greg k-h