Zebediah Figura : ntoskrnl.exe: Don' t signal the remove lock event unless the lock is in the removed state.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 59f72d87c500b1f7e9d1dbe5fe8f143dea073b82
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=59f72d87c500b1f7e9d1dbe5f...

Author: Zebediah Figura 
Date:   Tue Aug 20 22:05:54 2019 -0500

ntoskrnl.exe: Don't signal the remove lock event unless the lock is in the removed state.

Signed-off-by: Zebediah Figura 
Signed-off-by: Alexandre Julliard

---

dlls/ntoskrnl.exe/sync.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/dlls/ntoskrnl.exe/sync.c b/dlls/ntoskrnl.exe/sync.c
index 7aed1d0..365ddc0 100644
--- a/dlls/ntoskrnl.exe/sync.c
+++ b/dlls/ntoskrnl.exe/sync.c
@@ -1234,7 +1234,7 @@ void WINAPI IoReleaseRemoveLockEx( IO_REMOVE_LOCK *lock, void *tag, ULONG size )

TRACE("lock %p, tag %p, size %u.\n", lock, tag, size);

-    if (!(count = InterlockedDecrement( &lock->Common.IoCount )))
+    if (!(count = InterlockedDecrement( &lock->Common.IoCount )) && lock->Common.Removed)
         KeSetEvent( &lock->Common.RemoveEvent, IO_NO_INCREMENT, FALSE );
     else if (count < 0)
         ERR("Lock %p is not acquired!\n", lock);
@@ -1251,10 +1251,10 @@ void WINAPI IoReleaseRemoveLockAndWaitEx( IO_REMOVE_LOCK *lock, void *tag, ULONG

lock->Common.Removed = TRUE;

-    if (!(count = InterlockedDecrement( &lock->Common.IoCount )))
+    if (!(count = InterlockedDecrement( &lock->Common.IoCount )) && lock->Common.Removed)
         KeSetEvent( &lock->Common.RemoveEvent, IO_NO_INCREMENT, FALSE );
     else if (count < 0)
         ERR("Lock %p is not acquired!\n", lock);
-    else
+    else if (count > 0)
         KeWaitForSingleObject( &lock->Common.RemoveEvent, Executive, KernelMode, FALSE, NULL );
 }