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authorAlex Chiang <achiang@hp.com>2008-09-05 14:05:03 -0700
committerJesse Barnes <jbarnes@virtuousgeek.org>2008-09-09 11:44:06 -0700
commit48902025af4da44dbbc0231061e542d6d40e712e (patch)
tree76560726e8345829b20cf4f604de8456336ba9cb /drivers/pci/hotplug/fakephp.c
parent53bc88701be91e7f631ad31418b32392aa952e9b (diff)
downloadlinux-48902025af4da44dbbc0231061e542d6d40e712e.tar.bz2
PCI Hotplug: fakephp: fix deadlock... again
Commit fe99740cac117f208707488c03f3789cf4904957 (construct one fakephp slot per PCI slot) introduced a regression, causing a deadlock when removing a PCI device. We also never actually removed the device from the PCI core. So we: - remove the device from the PCI core - do not directly call remove_slot() to prevent deadlock Yu Zhao reported and diagnosed this defect. Signed-off-by: Alex Chiang <achiang@hp.com> Acked-by: Yu Zhao <yu.zhao@intel.com> Cc: Matthew Wilcox <matthew@wil.cx> Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/hotplug/fakephp.c')
-rw-r--r--drivers/pci/hotplug/fakephp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c
index 40337a06c18a..146ca9cd1567 100644
--- a/drivers/pci/hotplug/fakephp.c
+++ b/drivers/pci/hotplug/fakephp.c
@@ -320,15 +320,15 @@ static int disable_slot(struct hotplug_slot *slot)
return -ENODEV;
}
+ /* remove the device from the pci core */
+ pci_remove_bus_device(dev);
+
/* queue work item to blow away this sysfs entry and other
* parts.
*/
INIT_WORK(&dslot->remove_work, remove_slot_worker);
queue_work(dummyphp_wq, &dslot->remove_work);
- /* blow away this sysfs entry and other parts. */
- remove_slot(dslot);
-
pci_dev_put(dev);
}
return 0;