From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Remove the call to dev_pm_qos_hide_flags(), added by commit 6e30d7cb
"usb: Add driver/usb/core/(port.c,hub.h) files", from
usb_port_device_release(), because (1) it is completely unnecessary
(the flags have been removed already by the PM core during the
unregistration of the device object) and (2) it triggers a NULL
pointer dereference in sysfs_find_dirent() (dev->kobj->sd is NULL at
this point).
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
---
drivers/usb/core/port.c | 1 -
1 file changed, 1 deletion(-)
Index: linux-pm/drivers/usb/core/port.c
===================================================================
--- linux-pm.orig/drivers/usb/core/port.c
+++ linux-pm/drivers/usb/core/port.c
@@ -67,7 +67,6 @@ static void usb_port_device_release(stru
{
struct usb_port *port_dev = to_usb_port(dev);
- dev_pm_qos_hide_flags(dev);
kfree(port_dev);
}
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