Zebediah Figura : ntoskrnl.exe: Don' t signal the remove lock event unless the lock is in the removed state.
Alexandre Julliard
julliard at winehq.org
Wed Aug 21 14:39:32 CDT 2019
Module: wine
Branch: master
Commit: 59f72d87c500b1f7e9d1dbe5fe8f143dea073b82
URL: https://source.winehq.org/git/wine.git/?a=commit;h=59f72d87c500b1f7e9d1dbe5fe8f143dea073b82
Author: Zebediah Figura <z.figura12 at gmail.com>
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 <z.figura12 at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
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 );
}
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