When sorting them, put the one with large size before small size.
Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
---
drivers/pci/setup-bus.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 64d478f..0568f29 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -128,7 +128,7 @@ static void pdev_sort_resources(struct pci_dev *dev, struct list_head *head)
for (i = 0; i < PCI_NUM_RESOURCES; i++) {
struct resource *r;
struct pci_dev_resource *dev_res, *tmp;
- resource_size_t r_align;
+ resource_size_t r_align, r_size;
struct list_head *n;
r = &dev->resource[i];
@@ -145,6 +145,7 @@ static void pdev_sort_resources(struct pci_dev *dev, struct list_head *head)
i, r);
continue;
}
+ r_size = resource_size(r);
tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
if (!tmp)
@@ -161,7 +162,9 @@ static void pdev_sort_resources(struct pci_dev *dev, struct list_head *head)
align = pci_resource_alignment(dev_res->dev,
dev_res->res);
- if (r_align > align) {
+ if (r_align > align ||
+ (r_align == align &&
+ r_size > resource_size(dev_res->res))) {
n = &dev_res->list;
break;
}
--
1.7.7
--
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