[FASTFAT] Lock DirResource when modifying an entry on disk.

[reactos.git] / drivers / input / i8042prt / mouse.c

diff --git a/drivers/input/i8042prt/mouse.c b/drivers/input/i8042prt/mouse.c
index ee8d503..09516c1 100644 (file)
--- a/drivers/input/i8042prt/mouse.c
+++ b/drivers/input/i8042prt/mouse.c
@@ -14,8 +14,13 @@
 
 #include "i8042prt.h"
 
+#include <debug.h>
+
 /* FUNCTIONS *****************************************************************/
 
+static KDEFERRED_ROUTINE i8042MouDpcRoutine;
+static KDEFERRED_ROUTINE i8042DpcRoutineMouseTimeout;
+
 /*
  * These functions are callbacks for filter driver custom interrupt
  * service routines.
@@ -173,7 +178,7 @@ i8042MouHandle(
                        break;
 
                default:
-                       ERR_(I8042PRT, "Unexpected state 0x%u!\n", DeviceExtension->MouseState);
+                       ERR_(I8042PRT, "Unexpected state 0x%lx!\n", DeviceExtension->MouseState);
                        ASSERT(FALSE);
        }
 }
@@ -212,7 +217,7 @@ i8042MouHandleButtons(
                (DeviceExtension->MouseButtonState & ~Mask) | (NewButtonData & Mask);
 }
 
-/* Does lastest initializations for the mouse. This method
+/* Does final initializations for the mouse. This method
  * is called just before connecting the interrupt.
  */
 NTSTATUS
@@ -267,7 +272,8 @@ i8042MouDpcRoutine(
        UNREFERENCED_PARAMETER(SystemArgument1);
        UNREFERENCED_PARAMETER(SystemArgument2);
 
-       DeviceExtension = (PI8042_MOUSE_EXTENSION)DeferredContext;
+       __analysis_assume(DeferredContext != NULL);
+       DeviceExtension = DeferredContext;
        PortDeviceExtension = DeviceExtension->Common.PortDeviceExtension;
 
        switch (DeviceExtension->MouseTimeoutState)
@@ -356,7 +362,8 @@ i8042DpcRoutineMouseTimeout(
        UNREFERENCED_PARAMETER(SystemArgument1);
        UNREFERENCED_PARAMETER(SystemArgument2);
 
-       DeviceExtension = (PI8042_MOUSE_EXTENSION)DeferredContext;
+       __analysis_assume(DeferredContext != NULL);
+       DeviceExtension = DeferredContext;
        PortDeviceExtension = DeviceExtension->Common.PortDeviceExtension;
 
        Irql = KeAcquireInterruptSpinLock(PortDeviceExtension->HighestDIRQLInterrupt);
@@ -537,9 +544,11 @@ cleanup:
                }
        }
 
-       Irp->IoStatus.Status = Status;
        if (Status != STATUS_PENDING)
+       {
+               Irp->IoStatus.Status = Status;
                IoCompleteRequest(Irp, IO_NO_INCREMENT);
+       }
        return Status;
 }
 
@@ -904,7 +913,8 @@ i8042MouInterruptService(
 
        UNREFERENCED_PARAMETER(Interrupt);
 
-       DeviceExtension = (PI8042_MOUSE_EXTENSION)Context;
+       __analysis_assume(Context != NULL);
+       DeviceExtension = Context;
        PortDeviceExtension = DeviceExtension->Common.PortDeviceExtension;
        Counter = PortDeviceExtension->Settings.PollStatusIterations;