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Date: Wed, 15 May 2013 00:51:57 +0800 From: Jiang Liu <liuj97@...il.com> To: Bjorn Helgaas <bhelgaas@...gle.com>, Yinghai Lu <yinghai@...nel.org> Cc: Jiang Liu <jiang.liu@...wei.com>, "Rafael J . Wysocki" <rjw@...k.pl>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Gu Zheng <guz.fnst@...fujitsu.com>, Toshi Kani <toshi.kani@...com>, Myron Stowe <myron.stowe@...hat.com>, Yijing Wang <wangyijing@...wei.com>, Jiang Liu <liuj97@...il.com>, linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org, David Airlie <airlied@...ux.ie>, dri-devel@...ts.freedesktop.org Subject: [RFC PATCH v2, part 2 13/18] PCI, DRM: use hotplug-safe iterators to walk PCI buses Enhance DRM drvier to use hotplug-safe iterators to walk PCI buses. Signed-off-by: Jiang Liu <jiang.liu@...wei.com> Cc: David Airlie <airlied@...ux.ie> Cc: dri-devel@...ts.freedesktop.org Cc: linux-kernel@...r.kernel.org --- drivers/gpu/drm/drm_fops.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index 13fdcd1..04f3bcd 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -357,9 +357,11 @@ 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) + struct pci_bus *b = pci_get_next_root_bus(NULL); + if (b) { dev->hose = b->sysdata; + pci_bus_put(b); + } } } #endif -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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