Re: [PATCH 3.9-stable] ntb_netdev: remove from list on exit

From: Jon Mason
Date: Sat May 18 2013 - 10:49:11 EST


On Sat, May 18, 2013 at 11:55:06AM +0900, Jonghwan Choi wrote:
> From: Jon Mason <jon.mason@xxxxxxxxx>
>
> This patch looks like it should be in the 3.9-stable tree, should we apply
> it?

Yes, thanks.

>
> ------------------
>
> From: "Jon Mason <jon.mason@xxxxxxxxx>"
>
> commit 904435cf76a9bdd5eb41b1c4e049d5a64f3a8400 upstream
>
> The ntb_netdev device is not removed from the global list of devices
> upon device removal. If the device is re-added, the removal code would
> find the first instance and try to remove an already removed device.
>
> Cc: <stable@xxxxxxxxxxxxxxx> # 3.9.x: ad3e2751: ntb: off by one
> Cc: <stable@xxxxxxxxxxxxxxx> # 3.9.x: cc0f868d: NTB: fix pointer math
> Cc: <stable@xxxxxxxxxxxxxxx> # 3.9.x: 113fc505: NTB: Handle 64bit BAR
> Cc: <stable@xxxxxxxxxxxxxxx> # 3.9.x: b77b2637: NTB: Link toggle memory
> Cc: <stable@xxxxxxxxxxxxxxx> # 3.9.x: 90f9e934: NTB: reset tx_index on
> Cc: <stable@xxxxxxxxxxxxxxx> # 3.9.x: c9d534c8: NTB: Correctly handle receive
> Cc: <stable@xxxxxxxxxxxxxxx> # 3.9.x: c336acd3: NTB: memcpy lockup workaround
> Signed-off-by: Jon Mason <jon.mason@xxxxxxxxx>
> Signed-off-by: Jonghwan Choi <jhbird.choi@xxxxxxxxxxx>
> ---
> drivers/net/ntb_netdev.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/net/ntb_netdev.c b/drivers/net/ntb_netdev.c
> index ed947dd..f3cdf64 100644
> --- a/drivers/net/ntb_netdev.c
> +++ b/drivers/net/ntb_netdev.c
> @@ -375,6 +375,8 @@ static void ntb_netdev_remove(struct pci_dev *pdev)
> if (dev == NULL)
> return;
>
> + list_del(&dev->list);
> +
> ndev = dev->ndev;
>
> unregister_netdev(ndev);
> --
> 1.8.1.2
>
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