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SubjectRe: [PATCH 01/13] net: ravb: Check return value of reset_control_deassert()
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On 20.11.2023 21:03, Sergey Shtylyov wrote:
> On 11/20/23 11:45 AM, Claudiu wrote:
>
>> From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
>>
>> reset_control_deassert() could return an error. Some devices cannot work
>> if reset signal de-assert operation fails. To avoid this check the return
>> code of reset_control_deassert() in ravb_probe() and take proper action.
>>
>> Fixes: 0d13a1a464a0 ("ravb: Add reset support")
>> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
>> ---
>> drivers/net/ethernet/renesas/ravb_main.c | 7 ++++++-
>> 1 file changed, 6 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
>> index c70cff80cc99..342978bdbd7e 100644
>> --- a/drivers/net/ethernet/renesas/ravb_main.c
>> +++ b/drivers/net/ethernet/renesas/ravb_main.c
>> @@ -2645,7 +2645,12 @@ static int ravb_probe(struct platform_device *pdev)
>> ndev->features = info->net_features;
>> ndev->hw_features = info->net_hw_features;
>>
>> - reset_control_deassert(rstc);
>> + error = reset_control_deassert(rstc);
>> + if (error) {
>> + free_netdev(ndev);
>> + return error;
>
> No, please use *goto* here. And please fix up the order of statements under
> the out_release label before doing that.

This will lead to a bit more complicated patch, AFAICT. I tried to keep it
simple for a fix. Same thing for patch 2.

>
> [...]
>
> MBR, Sergey

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