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Date:	Tue, 8 Apr 2014 15:45:16 +0800
From:	Wei Yang <>
To:	Or Gerlitz <>
Cc:	David Miller <>,,,,,,
Subject: Re: [Patch net-next] net/mlx4_core: match pci_device_id including

On Tue, Apr 08, 2014 at 09:48:30AM +0300, Or Gerlitz wrote:
>On 07/04/2014 21:43, David Miller wrote:
>>From: Wei Yang <>
>>Date: Sun,  6 Apr 2014 10:07:30 +0800
>>>Fix issue introduced by commit: 97a5221 "net/mlx4_core: pass
>>>pci_device_id.driver_data to __mlx4_init_one during reset".
>>>pci_match_id() just match the static pci_device_id, which may return NULL if
>>>someone binds the driver to a device manually using
>>>This patch wrap up a helper function __mlx4_remove_one() which does the tear
>>>down function but preserve the drv_data. Functions like
>>>mlx4_pci_err_detected() and mlx4_restart_one() will call this one with out
>>>releasing drvdata.
>>>Tested on ConnectX-3.
>>>CC: Bjorn Helgaas <>
>>>CC: Amir Vadai <>
>>>Signed-off-by: Wei Yang <>
>>Please resubmit this when the net-next tree opens back up, thanks.
>Dave, this patch is for net, since it fixes an issue in the current
>code (actually it relates to a patch
>that was merged after 3.14-rc7, so it would eventually might go to
>-stable too). The author wasn't very
>familiar with the exact differences/nature of net vs. net-next, so it
>might created some confusion here, I'v
>sent him few private notes to explain how things go...

Yes, sorry for the confusion. Thanks Or	for your patient explanation, while I
still make mistakes.


Richard Yang
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