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From: Netanel Belgazal <netanel@annapurnalabs.com>
To: Lino Sanfilippo <LinoSanfilippo@gmx.de>,
	linux-kernel@vger.kernel.org, davem@davemloft.net,
	netdev@vger.kernel.org
Cc: dwmw@amazon.com, zorik@annapurnalabs.com, alex@annapurnalabs.com,
	saeed@annapurnalabs.com, msw@amazon.com, aliguori@amazon.com,
	nafea@annapurnalabs.com, eric.dumazet@gmail.com
Subject: Re: [PATCH V3 net-next 02/14] net/ena: fix error handling when probe fails
Date: Wed, 1 Feb 2017 00:14:31 +0200	[thread overview]
Message-ID: <f4e7ce8f-cbe4-015d-fa3f-be807ed451df@annapurnalabs.com> (raw)
In-Reply-To: <174cba24-4bf4-4212-9756-2bedf4fa5a92@gmx.de>

Hi,

You are right. I'll remove this patch.

Regards,

Netanel

On 01/28/2017 01:33 AM, Lino Sanfilippo wrote:
> Hi,
>
> On 26.01.2017 23:18, Netanel Belgazal wrote:
>> When driver fails in probe, it will release all resources,
>> including adapter.
>> In case of probe failure, ena_remove should not try to
>> free the adapter resources.
>>
>> Signed-off-by: Netanel Belgazal <netanel@annapurnalabs.com>
>> ---
>>  drivers/net/ethernet/amazon/ena/ena_netdev.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c 
>> b/drivers/net/ethernet/amazon/ena/ena_netdev.c
>> index 7493ea3..cb60567 100644
>> --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
>> +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
>> @@ -3046,6 +3046,7 @@ static int ena_probe(struct pci_dev *pdev, 
>> const struct pci_device_id *ent)
>>  err_free_region:
>>      ena_release_bars(ena_dev, pdev);
>>  err_free_ena_dev:
>> +    pci_set_drvdata(pdev, NULL);
>>      vfree(ena_dev);
>>  err_disable_device:
>>      pci_disable_device(pdev);
>>
>
> Is this change really a "fix"? remove() should only be called if
> probe() has been successful before, otherwise not. Did you experience
> something different?
>
> Regards,
> Lino

  reply	other threads:[~2017-01-31 22:14 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-26 22:18 [PATCH V3 net-next 00/14] Bug Fixes in ENA driver Netanel Belgazal
2017-01-26 22:18 ` [PATCH V3 net-next 01/14] net/ena: remove ntuple filter support from device feature list Netanel Belgazal
2017-01-26 22:18 ` [PATCH V3 net-next 02/14] net/ena: fix error handling when probe fails Netanel Belgazal
2017-01-27 23:33   ` Lino Sanfilippo
2017-01-31 22:14     ` Netanel Belgazal [this message]
2017-01-26 22:18 ` [PATCH V3 net-next 03/14] net/ena: fix queues number calculation Netanel Belgazal
2017-01-26 22:18 ` [PATCH V3 net-next 04/14] net/ena: fix ethtool RSS flow configuration Netanel Belgazal
2017-01-26 22:18 ` [PATCH V3 net-next 05/14] net/ena: fix RSS default hash configuration Netanel Belgazal
2017-01-26 22:18 ` [PATCH V3 net-next 06/14] net/ena: fix NULL dereference when removing the driver after device reset failed Netanel Belgazal
2017-01-26 22:18 ` [PATCH V3 net-next 07/14] net/ena: refactor ena_get_stats64 to be atomic context safe Netanel Belgazal
2017-01-26 22:18 ` [PATCH V3 net-next 08/14] net/ena: fix potential access to freed memory during device reset Netanel Belgazal
2017-01-26 22:18 ` [PATCH V3 net-next 09/14] net/ena: use napi_complete_done() return value Netanel Belgazal
2017-01-26 22:18 ` [PATCH V3 net-next 10/14] net/ena: use READ_ONCE to access completion descriptors Netanel Belgazal
2017-01-26 22:18 ` [PATCH V3 net-next 11/14] net/ena: reduce the severity of ena printouts Netanel Belgazal
2017-01-26 22:18 ` [PATCH V3 net-next 12/14] net/ena: change driver's default timeouts Netanel Belgazal
2017-01-26 22:18 ` [PATCH V3 net-next 13/14] net/ena: change condition for host attribute configuration Netanel Belgazal
2017-01-26 22:18 ` [PATCH V3 net-next 14/14] net/ena: update driver version to 1.1.2 Netanel Belgazal
2017-01-27 16:07 ` [PATCH V3 net-next 00/14] Bug Fixes in ENA driver David Miller

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