When pci_reassign_bridge_resources returns -ENOENT, it means that no resources needed to be "moved". This can happen when the resource was resized to be smaller, and it's completely fine - there's no need to treat this as an error and go back to the original BAR size. Signed-off-by: Michał Winiarski <michal.winiarski@xxxxxxxxx> --- drivers/pci/setup-res.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index 1946e52e7678a..5de5129055e0a 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c @@ -484,7 +484,7 @@ int pci_resize_resource(struct pci_dev *dev, int resno, int size) /* Check if the new config works by trying to assign everything. */ if (dev->bus->self) { ret = pci_reassign_bridge_resources(dev->bus->self, res->flags); - if (ret) + if (ret && ret != -ENOENT) goto error_resize; } return 0; -- 2.34.0