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Commit 542df5de authored by Rajesh Shah's avatar Rajesh Shah Committed by Greg Kroah-Hartman
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[PATCH] acpi bridge hotadd: Remove hot-plugged devices that could not be allocated resources 



When hot-plugging an I/O hierarchy that contains many bridges and leaf
devices, it's possible that there are not enough resources to start all the
device present.  If we fail to assign a resource, clear the corresponding
value in the pci_dev structure, so other code can take corrective action.

Signed-off-by: default avatarRajesh Shah <rajesh.shah@intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 091ca9f0

drivers/pci/setup-bus.c

+4 −1
Original line number Diff line number Diff line
@@ -72,7 +72,10 @@ pbus_assign_resources_sorted(struct pci_bus *bus) 
	for (list = head.next; list;) {

		res = list->res;

		idx = res - &list->dev->resource[0];

		pci_assign_resource(list->dev, idx);

		if (pci_assign_resource(list->dev, idx)) {

			res->start = 0;

			res->flags = 0;

		}

		tmp = list;

		list = list->next;

		kfree(tmp);