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Message-ID: <0a49f195-0a06-1ffc-e4eb-3607d35a315f@ti.com>
Date:   Fri, 10 Nov 2023 21:48:56 +0530
From:   "Anwar, Md Danish" <a0501179@...com>
To:     Jan Kiszka <jan.kiszka@...mens.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        MD Danish Anwar <danishanwar@...com>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        "Lopes Ivo, Diogo Miguel (T CED IFD-PT)" <diogo.ivo@...mens.com>,
        Nishanth Menon <nm@...com>,
        "Su, Bao Cheng (RC-CN DF FA R&D)" <baocheng.su@...mens.com>,
        Wojciech Drewek <wojciech.drewek@...el.com>,
        Roger Quadros <rogerq@...nel.org>
Subject: Re: [PATCH net v4] net: ti: icssg-prueth: Add missing icss_iep_put to
 error path

On 11/10/2023 9:43 PM, Jan Kiszka wrote:
> From: Jan Kiszka <jan.kiszka@...mens.com>
> 
> Analogously to prueth_remove, just also taking care for NULL'ing the
> iep pointers.
> 
> Fixes: 186734c15886 ("net: ti: icssg-prueth: add packet timestamping and ptp support")
> Fixes: 443a2367ba3c ("net: ti: icssg-prueth: am65x SR2.0 add 10M full duplex support")
> Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>
> Reviewed-by: Wojciech Drewek <wojciech.drewek@...el.com>
Reviewed-by: MD Danish Anwar <danishanwar@...com>

> ---
> 
> Changes in v4:
>  - no functional ones
>  - added one original author in CC with new address (no address of
>    Grygorii available)
> 
> Changes in v3:
>  - consolidate cleanup logic further [Wojciech]
>  - make sure to NULL iep pointers
> 
> Changes in v2:
>  - add proper tags
> 
> This was lost from the TI SDK version while ripping out SR1.0 support - 
> which we are currently restoring for upstream.
> 
>  drivers/net/ethernet/ti/icssg/icssg_prueth.c | 11 +++++++----
>  1 file changed, 7 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
> index 6c4b64227ac8..3abbeba26f1b 100644
> --- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c
> +++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
> @@ -2105,10 +2105,7 @@ static int prueth_probe(struct platform_device *pdev)
>  	prueth->iep1 = icss_iep_get_idx(np, 1);
>  	if (IS_ERR(prueth->iep1)) {
>  		ret = dev_err_probe(dev, PTR_ERR(prueth->iep1), "iep1 get failed\n");
> -		icss_iep_put(prueth->iep0);
> -		prueth->iep0 = NULL;
> -		prueth->iep1 = NULL;
> -		goto free_pool;
> +		goto put_iep0;
>  	}
>  
>  	if (prueth->pdata.quirk_10m_link_issue) {
> @@ -2205,6 +2202,12 @@ static int prueth_probe(struct platform_device *pdev)
>  exit_iep:
>  	if (prueth->pdata.quirk_10m_link_issue)
>  		icss_iep_exit_fw(prueth->iep1);
> +	icss_iep_put(prueth->iep1);
> +
> +put_iep0:
> +	icss_iep_put(prueth->iep0);
> +	prueth->iep0 = NULL;
> +	prueth->iep1 = NULL;
>  
>  free_pool:
>  	gen_pool_free(prueth->sram_pool,

-- 
Thanks and Regards,
Md Danish Anwar

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