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ACPI / hotplug / PCI: Scan root bus under the PCI rescan-remove lock 

Since acpiphp_check_bridge() called by acpiphp_check_host_bridge()
does things that require PCI rescan-remove locking around it,
make acpiphp_check_host_bridge() use that locking.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Rafael J. Wysocki 2014-02-03 02:22:27 +01:00
parent f41b326131
commit d42f5da234
1 changed files with 4 additions and 0 deletions
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4
drivers/pci/hotplug/acpiphp_glue.c
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@ -829,7 +829,11 @@ void acpiphp_check_host_bridge(acpi_handle handle)
bridge = acpiphp_handle_to_bridge(handle);
if (bridge) {
pci_lock_rescan_remove();
acpiphp_check_bridge(bridge);
pci_unlock_rescan_remove();
put_bridge(bridge);
}
}