3.16.7-ckt25 -stable review patch. If anyone has any objections, please let me know.
---8<------------------------------------------------------------
From: Insu Yun <wuninsu@xxxxxxxxx>
commit 2c3033a0664dfae91e1dee7fabac10f24354b958 upstream.
In acpiphp_enable_slot(), there is a missing unlock path
when error occurred. It needs to be unlocked before returning
an error.
Signed-off-by: Insu Yun <wuninsu@xxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
drivers/pci/hotplug/acpiphp_glue.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index c074b262a492..0e7399056e23 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -970,8 +970,10 @@ int acpiphp_enable_slot(struct acpiphp_slot *slot)
{
pci_lock_rescan_remove();
- if (slot->flags & SLOT_IS_GOING_AWAY)
+ if (slot->flags & SLOT_IS_GOING_AWAY) {
+ pci_unlock_rescan_remove();
return -ENODEV;
+ }
/* configure all functions */
if (!(slot->flags & SLOT_ENABLED))
--
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