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Date:	Sun, 01 Jun 2014 20:41:31 +0400
From:	Sergei Shtylyov <>
To:	Or Gerlitz <>,
	Jack Morgenstein <>
Subject: Re: [PATCH net] net/mlx4_core: Fix Oops on reboot when SRIOV VFs
 are probed into the Host


On 06/01/2014 02:49 PM, Or Gerlitz wrote:

> From: Jack Morgenstein <>

> Commit befdf89 did not take into account the case where the Host

    Please also specify that commit's summary line in parens.

> driver is being unloaded. In this case, pci_get_drvdata for the VF
> remove_one call may return NULL, so that dereferencing the priv
> struct results in a kernel oops.

> The fix is to also test that the dev pointer returned by
> pci_get_drvdata is non-NULL.

> Fixes: befdf89 ("preserve pcd_dev_data after __mlx4_remove_one()")
> Signed-off-by: Jack Morgenstein <>
> Signed-off-by: Or Gerlitz <>

WBR, Sergei

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