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path: root/drivers/pci/setup-res.c
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Diffstat (limited to 'drivers/pci/setup-res.c')
-rw-r--r--drivers/pci/setup-res.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 232f9254c11a..604011e047d6 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -36,6 +36,11 @@ void pci_update_resource(struct pci_dev *dev, int resno)
enum pci_bar_type type;
struct resource *res = dev->resource + resno;
+ if (dev->is_virtfn) {
+ dev_warn(&dev->dev, "can't update VF BAR%d\n", resno);
+ return;
+ }
+
/*
* Ignore resources for unimplemented BARs and unused resource slots
* for 64 bit BARs.
@@ -177,6 +182,7 @@ static int pci_revert_fw_address(struct resource *res, struct pci_dev *dev,
end = res->end;
res->start = fw_addr;
res->end = res->start + size - 1;
+ res->flags &= ~IORESOURCE_UNSET;
root = pci_find_parent_resource(dev, res);
if (!root) {
@@ -194,6 +200,7 @@ static int pci_revert_fw_address(struct resource *res, struct pci_dev *dev,
resno, res, conflict->name, conflict);
res->start = start;
res->end = end;
+ res->flags |= IORESOURCE_UNSET;
return -EBUSY;
}
return 0;