On 2013/1/28 3:23, Yinghai Lu wrote:
> Replace that with hotplug-safe version.
>
> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> ---
> drivers/gpu/drm/drm_fops.c | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
> index 133b413..b92a9cc 100644
> --- a/drivers/gpu/drm/drm_fops.c
> +++ b/drivers/gpu/drm/drm_fops.c
> @@ -356,9 +356,13 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
> pci_dev_put(pci_dev);
> }
> if (!dev->hose) {
> - struct pci_bus *b = pci_bus_b(pci_root_buses.next);
> - if (b)
> - dev->hose = b->sysdata;
> + struct pci_host_bridge *host_bridge;
> +
> + host_bridge = pci_next_host_bridge(NULL);
pci_get_next_host_bridge() ?
> + if (host_bridge) {
> + dev->hose = host_bridge->bus->sysdata;
> + put_device(&host_bridge->dev);
> + }
> }
> }
> #endif
>
--
Thanks!
Yijing
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