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References: <20230120060535.83087-1-ajit.khaparde@broadcom.com>
 <20230120060535.83087-2-ajit.khaparde@broadcom.com> <20230123223305.30c586ee@kernel.org>
 <Y89/b4kdiXlFzkOl@unreal>
In-Reply-To: <Y89/b4kdiXlFzkOl@unreal>
From:   Ajit Khaparde <ajit.khaparde@broadcom.com>
Date:   Mon, 23 Jan 2023 23:08:30 -0800
Message-ID: <CACZ4nhtek5W2Sp2AUP546RGHmeAxwZ-8x6no3PNVPigTWFJLPw@mail.gmail.com>
Subject: Re: [PATCH net-next v8 1/8] bnxt_en: Add auxiliary driver support
To:     Leon Romanovsky <leon@kernel.org>
Cc:     Jakub Kicinski <kuba@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        andrew.gospodarek@broadcom.com, davem@davemloft.net,
        edumazet@google.com, jgg@ziepe.ca, linux-kernel@vger.kernel.org,
        linux-rdma@vger.kernel.org, michael.chan@broadcom.com,
        netdev@vger.kernel.org, pabeni@redhat.com,
        selvin.xavier@broadcom.com
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On Mon, Jan 23, 2023 at 10:53 PM Leon Romanovsky <leon@kernel.org> wrote:
>
> On Mon, Jan 23, 2023 at 10:33:05PM -0800, Jakub Kicinski wrote:
> > On Thu, 19 Jan 2023 22:05:28 -0800 Ajit Khaparde wrote:
> > > @@ -13212,6 +13214,7 @@ static void bnxt_remove_one(struct pci_dev *pdev)
> > >     kfree(bp->rss_indir_tbl);
> > >     bp->rss_indir_tbl = NULL;
> > >     bnxt_free_port_stats(bp);
> > > +   bnxt_aux_priv_free(bp);
> > >     free_netdev(dev);
> >
> > You're still freeing the memory in which struct device sits regardless
> > of its reference count.
>
> BTW, Ajit does the same wrong kfree in bnxt_rdma_aux_device_add() too.
I will address this in the next version. Thanks again.

Thanks
Ajit
> +       ret = auxiliary_device_add(aux_dev);
> +       if (ret)
> +               goto aux_dev_uninit;
> +
> ...
> +aux_dev_uninit:
> +       auxiliary_device_uninit(aux_dev);
> +free_edev:
> +       kfree(edev); <----- wrong
> +       bp->edev = NULL;
>
> Thanks

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