3.14-stable review patch. If anyone has any objections, please let me know.
------------------
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: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/pci/hotplug/acpiphp_glue.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -1133,8 +1133,10 @@ int acpiphp_enable_slot(struct acpiphp_s
{
pci_lock_rescan_remove();
- if (slot->flags & SLOT_IS_GOING_AWAY)
+ if (slot->flags & SLOT_IS_GOING_AWAY) {
+ pci_unlock_rescan_remove();
return -ENODEV;
+ }
mutex_lock(&slot->crit_sect);
/* configure all functions */
--
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