Greg KH
2005-06-28T05:51:30Z

[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: Rajesh Shah <rajesh.shah@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
commit 542df5de56a23bf2d94b75e2b304ab0e5a5508a8
tree 6e9861262c3fb9cfa72a385ea8db5372c086e35b
parent 091ca9f06382e46d77213c35a97f7d0be9e350d2
author Rajesh Shah <rajesh.shah@intel.com> Thu, 28 Apr 2005 00:25:50 -0700
committer Greg Kroah-Hartman <gregkh@suse.de> Mon, 27 Jun 2005 21:52:41 -0700

drivers/pci/setup-bus.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -72,7 +72,10 @@ pbus_assign_resources_sorted(struct pci_
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);