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From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Or Gerlitz <ogerlitz@mellanox.com>, davem@davemloft.net
Cc: netdev@vger.kernel.org, amirv@mellanox.com,
	weiyang@linux.vnet.ibm.com,
	Jack Morgenstein <jackm@dev.mellanox.co.il>
Subject: Re: [PATCH net] net/mlx4_core: Fix Oops on reboot when SRIOV VFs are probed into the Host
Date: Sun, 01 Jun 2014 20:41:31 +0400	[thread overview]
Message-ID: <538B57BB.5090000@cogentembedded.com> (raw)
In-Reply-To: <1401619783-23659-1-git-send-email-ogerlitz@mellanox.com>

Hello.

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

> From: Jack Morgenstein <jackm@dev.mellanox.co.il>

> 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 <jackm@dev.mellanox.co.il>
> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>

WBR, Sergei

  reply	other threads:[~2014-06-01 16:41 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-01 10:49 [PATCH net] net/mlx4_core: Fix Oops on reboot when SRIOV VFs are probed into the Host Or Gerlitz
2014-06-01 16:41 ` Sergei Shtylyov [this message]
2014-06-01 19:59   ` Or Gerlitz
2014-06-02 14:29 ` Wei Yang
2014-06-02 16:10   ` Bjorn Helgaas
2014-06-03  0:58     ` David Miller
2014-06-03  2:00     ` Wei Yang
2014-06-03  8:15     ` Or Gerlitz
2014-06-03  8:40       ` Wei Yang
2014-06-04  9:50       ` Wei Yang
2014-06-06  2:52       ` Wei Yang
2014-06-08  9:18         ` Or Gerlitz
2014-06-08  9:16     ` Or Gerlitz

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