From e7986f168f994b7f980f358c7aa9e819b7a05452 Mon Sep 17 00:00:00 2001
From: Thomas Bluemel <thomas@reactsoft.com>
Date: Mon, 28 Mar 2005 17:25:19 +0000
Subject: [PATCH] fix warning on optimized builds

svn path=/trunk/; revision=14367
---
 reactos/ntoskrnl/ex/mutant.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/reactos/ntoskrnl/ex/mutant.c b/reactos/ntoskrnl/ex/mutant.c
index 116fcab87c6..d0dc507e53a 100644
--- a/reactos/ntoskrnl/ex/mutant.c
+++ b/reactos/ntoskrnl/ex/mutant.c
@@ -294,16 +294,19 @@ NtReleaseMutant(IN HANDLE MutantHandle,
                 IN PLONG PreviousCount  OPTIONAL)
 {
     PKMUTANT Mutant;
-    KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
+    KPROCESSOR_MODE PreviousMode;
     NTSTATUS Status = STATUS_SUCCESS;
    
     PAGED_CODE();
+    
+    PreviousMode = ExGetPreviousMode();
+    
     DPRINT("NtReleaseMutant(MutantHandle 0%x PreviousCount 0%x)\n", 
             MutantHandle, 
             PreviousCount);
 
     /* Check Output Safety */
-    if(PreviousMode == UserMode && PreviousCount) {
+    if(PreviousMode != KernelMode && PreviousCount) {
         
         _SEH_TRY {
             
@@ -330,7 +333,7 @@ NtReleaseMutant(IN HANDLE MutantHandle,
     /* Check for Success and release if such */
     if(NT_SUCCESS(Status)) {
         
-        LONG Prev;
+        LONG Prev = 0;
         
         /* release the mutant. doing so might raise an exception which we're
            required to catch! */