[cgutman] 35260: - Move check for NULL FCB before trying to access it - Should fix a random crash I got when testing my web server

Author: cgutman
Date: Sun Aug 10 06:23:05 2008
New Revision: 35260

URL: http://svn.reactos.org/svn/reactos?rev=35260&view=rev
Log:
 - Move check for NULL FCB before trying to access it
 - Should fix a random crash I got when testing my web server

Modified:
    branches/aicom-network-fixes/drivers/network/afd/afd/select.c

Modified: branches/aicom-network-fixes/drivers/network/afd/afd/select.c
URL:
http://svn.reactos.org/svn/reactos/branches/aicom-network-fixes/drivers/net…
==============================================================================
--- branches/aicom-network-fixes/drivers/network/afd/afd/select.c [iso-8859-1] (original)
+++ branches/aicom-network-fixes/drivers/network/afd/afd/select.c [iso-8859-1] Sun Aug 10
06:23:05 2008
@@ -392,6 +392,11 @@
     /* Take care of any event select signalling */
     FCB = (PAFD_FCB)FileObject->FsContext;
 
+    if( !FCB ) {
+	KeReleaseSpinLock( &DeviceExt->Lock, OldIrql );
+	return;
+    }
+
     /* Not sure if i can do this at DISPATCH_LEVEL ... try it at passive */
     AFD_DbgPrint(MID_TRACE,("Current State: %x, Events Fired: %x, "
 			    "Select Triggers %x\n",
@@ -402,11 +407,6 @@
 	EventSelect = FCB->EventSelect;
     }
 
-    if( !FCB ) {
-	KeReleaseSpinLock( &DeviceExt->Lock, OldIrql );
-	return;
-    }
-
     /* Now signal normal select irps */
     ThePollEnt = DeviceExt->Polls.Flink;