From: Pierre Schweitzer <pierre@reactos.org>
Date: Fri, 13 Sep 2019 18:04:53 +0000 (+0200)
Subject: [MOUNTMGR] Fix MountState usage in MountMgrTargetDeviceNotification
X-Git-Tag: 0.4.14-dev~140
X-Git-Url: https://git.reactos.org/?p=reactos.git;a=commitdiff_plain;h=0a5f86d44a0ecf01d087d93a3ee7237e1aaa9430

[MOUNTMGR] Fix MountState usage in MountMgrTargetDeviceNotification

CORE-13882
---

diff --git a/drivers/filters/mountmgr/notify.c b/drivers/filters/mountmgr/notify.c
index 8b7c676da2a..97bc9470376 100644
--- a/drivers/filters/mountmgr/notify.c
+++ b/drivers/filters/mountmgr/notify.c
@@ -247,12 +247,14 @@ MountMgrTargetDeviceNotification(IN PVOID NotificationStructure,
      */
     else if (IsEqualGUID(&(Notification->Event), &GUID_IO_VOLUME_MOUNT))
     {
+        /* If we were already mounted, then mark us unmounted */
         if (InterlockedCompareExchange(&(DeviceInformation->MountState),
                                        FALSE,
-                                       TRUE) == TRUE)
+                                       FALSE) == TRUE)
         {
             InterlockedDecrement(&(DeviceInformation->MountState));
         }
+        /* Otherwise, start mounting the device and first, reconcile its DB if required */
         else
         {
             if (DeviceInformation->NeedsReconcile)