Re: [PATCH] PCI,pciehp: Don't set slot off when found device already exists.

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On Mon, Jan 13, 2014 at 04:02:48PM +0800, Yijing Wang wrote:
> If we found device already exists during hot add device, we should
> leave it, not to set slot off.
> 
> Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>

Applied to pci/pciehp for v3.15, thanks!

Bjorn

> ---
>  drivers/pci/hotplug/pciehp_ctrl.c |    3 ++-
>  drivers/pci/hotplug/pciehp_pci.c  |    2 +-
>  2 files changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
> index 38f0186..f27b0ff 100644
> --- a/drivers/pci/hotplug/pciehp_ctrl.c
> +++ b/drivers/pci/hotplug/pciehp_ctrl.c
> @@ -224,7 +224,8 @@ static int board_added(struct slot *p_slot)
>  	if (retval) {
>  		ctrl_err(ctrl, "Cannot add device at %04x:%02x:00\n",
>  			 pci_domain_nr(parent), parent->number);
> -		goto err_exit;
> +		if (retval != -EEXIST)
> +			goto err_exit;
>  	}
>  
>  	if (PWR_LED(ctrl))
> diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c
> index aac7a40..9b87b49 100644
> --- a/drivers/pci/hotplug/pciehp_pci.c
> +++ b/drivers/pci/hotplug/pciehp_pci.c
> @@ -48,7 +48,7 @@ int pciehp_configure_device(struct slot *p_slot)
>  			 "at %04x:%02x:00, cannot hot-add\n", pci_name(dev),
>  			 pci_domain_nr(parent), parent->number);
>  		pci_dev_put(dev);
> -		return -EINVAL;
> +		return -EEXIST;
>  	}
>  
>  	num = pci_scan_slot(parent, PCI_DEVFN(0, 0));
> -- 
> 1.7.1
> 
> 
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