These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / pci / bus.c

diff --git a/kernel/drivers/pci/bus.c b/kernel/drivers/pci/bus.c
index 6fbd3f2..89b3bef 100644 (file)
--- a/kernel/drivers/pci/bus.c
+++ b/kernel/drivers/pci/bus.c
@@ -140,6 +140,8 @@ static int pci_bus_alloc_from_region(struct pci_bus *bus, struct resource *res,
        type_mask |= IORESOURCE_TYPE_BITS;
 
        pci_bus_for_each_resource(bus, r, i) {
+               resource_size_t min_used = min;
+
                if (!r)
                        continue;
 
@@ -163,12 +165,12 @@ static int pci_bus_alloc_from_region(struct pci_bus *bus, struct resource *res,
                 * overrides "min".
                 */
                if (avail.start)
-                       min = avail.start;
+                       min_used = avail.start;
 
                max = avail.end;
 
                /* Ok, try it out.. */
-               ret = allocate_resource(r, res, size, min, max,
+               ret = allocate_resource(r, res, size, min_used, max,
                                        align, alignf, alignf_data);
                if (ret == 0)
                        return 0;
@@ -256,6 +258,8 @@ bool pci_bus_clip_resource(struct pci_dev *dev, int idx)
 
                res->start = start;
                res->end = end;
+               res->flags &= ~IORESOURCE_UNSET;
+               orig_res.flags &= ~IORESOURCE_UNSET;
                dev_printk(KERN_DEBUG, &dev->dev, "%pR clipped to %pR\n",
                                 &orig_res, res);