[pschweitzer] 51965: [NTOSKRNL] Fix struct size checking for debug remove locks. Spotted by Roel

Author: pschweitzer
Date: Fri May 27 21:21:36 2011
New Revision: 51965

URL: http://svn.reactos.org/svn/reactos?rev=51965&view=rev
Log:
[NTOSKRNL]
Fix struct size checking for debug remove locks.
Spotted by Roel

Modified:
    trunk/reactos/ntoskrnl/io/iomgr/remlock.c

Modified: trunk/reactos/ntoskrnl/io/iomgr/remlock.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/io/iomgr/remlock.…
==============================================================================
--- trunk/reactos/ntoskrnl/io/iomgr/remlock.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/io/iomgr/remlock.c [iso-8859-1] Fri May 27 21:21:36 2011
@@ -50,7 +50,7 @@
     switch (RemlockSize)
     {
         /* Check if this is a debug lock */
-        case sizeof(IO_REMOVE_LOCK_DBG_BLOCK):
+        case (sizeof(IO_REMOVE_LOCK_DBG_BLOCK) + sizeof(IO_REMOVE_LOCK_COMMON_BLOCK)):
             /* Setup debug parameters */
             Lock->Dbg.Signature = 'COLR';
             Lock->Dbg.HighWatermark = HighWatermark;
@@ -92,7 +92,7 @@
     if (!Lock->Common.Removed)
     {
         /* Check what kind of lock this is */
-        if (RemlockSize == sizeof(IO_REMOVE_LOCK_DBG_BLOCK))
+        if (RemlockSize == (sizeof(IO_REMOVE_LOCK_DBG_BLOCK) +
sizeof(IO_REMOVE_LOCK_COMMON_BLOCK)))
         {
             ASSERT(Lock->Dbg.HighWatermark == 0 || LockValue <=
Lock->Dbg.HighWatermark);
 
@@ -154,7 +154,7 @@
     PEXTENDED_IO_REMOVE_LOCK Lock = (PEXTENDED_IO_REMOVE_LOCK)RemoveLock;
 
     /* Check what kind of lock this is */
-    if (RemlockSize == sizeof(IO_REMOVE_LOCK_DBG_BLOCK))
+    if (RemlockSize == (sizeof(IO_REMOVE_LOCK_DBG_BLOCK) +
sizeof(IO_REMOVE_LOCK_COMMON_BLOCK)))
     {
         /* Acquire blocks queue */
         KeAcquireSpinLock(&(Lock->Dbg.Spin), &OldIrql);
@@ -265,7 +265,7 @@
     }
 
     /* Check what kind of lock this is */
-    if (RemlockSize == sizeof(IO_REMOVE_LOCK_DBG_BLOCK))
+    if (RemlockSize == (sizeof(IO_REMOVE_LOCK_DBG_BLOCK) +
sizeof(IO_REMOVE_LOCK_COMMON_BLOCK)))
     {
         /* A block must be remaining */
         ASSERT(Lock->Dbg.Blocks);