1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 1b3c00b3ca3f..d8f3bfe1559f 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -352,6 +352,7 @@ set_autosuspend(struct device *dev, struct device_attribute *attr,
                 return -EINVAL;
         value *= HZ;
 
+        usb_lock_device(udev);
         udev->autosuspend_delay = value;
         if (value >= 0)
                 usb_try_autosuspend_device(udev);
@@ -359,6 +360,7 @@ set_autosuspend(struct device *dev, struct device_attribute *attr,
                 if (usb_autoresume_device(udev) == 0)
                         usb_autosuspend_device(udev);
         }
+        usb_unlock_device(udev);
         return count;
 }