When called from pciehp_sysfs_disable_slot(), the call to
pciehp_disable_slot() was not protected by the hotplug mutex.
Cc: Rajat Jain <rajatxj...@gmail.com>
Signed-off-by: Guenter Roeck <li...@roeck-us.net>
---
drivers/pci/hotplug/pciehp_ctrl.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c
b/drivers/pci/hotplug/pciehp_ctrl.c
index 4c8f4cde6854..880978b6d534 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -511,7 +511,9 @@ int pciehp_sysfs_disable_slot(struct slot *p_slot)
case STATIC_STATE:
p_slot->state = POWEROFF_STATE;
mutex_unlock(&p_slot->lock);
+ mutex_lock(&p_slot->hotplug_lock);
retval = pciehp_disable_slot(p_slot);
+ mutex_unlock(&p_slot->hotplug_lock);
mutex_lock(&p_slot->lock);
p_slot->state = STATIC_STATE;
break;
--
2.1.4
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