[PATCH] acpiphp: turn off slot power at error case
When acpiphp_enable_slot() is failed, acpiphp does not change
the slot->flags. Therefore, when user tries to read power
status, acpiphp_get_power_status() returns the enable status
whether the slot is not really enabled.
This patch fixes this BUG.
Signed-off-by: MUNEDA Takahiro <muneda.takahiro@jp.fujitsu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index bbe27c1..610a530 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -1592,9 +1592,15 @@
if (retval)
goto err_exit;
- if (get_slot_status(slot) == ACPI_STA_ALL)
+ if (get_slot_status(slot) == ACPI_STA_ALL) {
/* configure all functions */
retval = enable_device(slot);
+ if (retval)
+ power_off_slot(slot);
+ } else {
+ dbg("%s: Slot status is not ACPI_STA_ALL\n", __FUNCTION__);
+ power_off_slot(slot);
+ }
err_exit:
mutex_unlock(&slot->crit_sect);