ntdll: Remove unused variables

[Andrew Talbot]

Changelog:
    ntdll: Remove unused variables.

diff --git a/dlls/ntdll/cdrom.c b/dlls/ntdll/cdrom.c
index e53e41d..47bda87 100644
--- a/dlls/ntdll/cdrom.c
+++ b/dlls/ntdll/cdrom.c
@@ -815,7 +815,6 @@ static NTSTATUS CDROM_ReadQChannel(int dev, int fd, const CDROM_SUB_Q_DATA_FORMA
 {
     NTSTATUS            ret = STATUS_NOT_SUPPORTED;
 #ifdef linux
-    unsigned            size;
     SUB_Q_HEADER*       hdr = (SUB_Q_HEADER*)data;
     int                 io;
     struct cdrom_subchnl	sc;
@@ -860,7 +859,6 @@ static NTSTATUS CDROM_ReadQChannel(int dev, int fd, const CDROM_SUB_Q_DATA_FORMA
     switch (fmt->Format)
     {
     case IOCTL_CDROM_CURRENT_POSITION:
-        size = sizeof(SUB_Q_CURRENT_POSITION);
         RtlEnterCriticalSection( &cache_section );
 	if (hdr->AudioStatus==AUDIO_STATUS_IN_PROGRESS) {
           data->CurrentPosition.FormatCode = IOCTL_CDROM_CURRENT_POSITION;
@@ -889,7 +887,6 @@ static NTSTATUS CDROM_ReadQChannel(int dev, int fd, const CDROM_SUB_Q_DATA_FORMA
         RtlLeaveCriticalSection( &cache_section );
         break;
     case IOCTL_CDROM_MEDIA_CATALOG:
-        size = sizeof(SUB_Q_MEDIA_CATALOG_NUMBER);
         data->MediaCatalog.FormatCode = IOCTL_CDROM_MEDIA_CATALOG;
         {
             struct cdrom_mcn mcn;
@@ -902,7 +899,6 @@ static NTSTATUS CDROM_ReadQChannel(int dev, int fd, const CDROM_SUB_Q_DATA_FORMA
         }
         break;
     case IOCTL_CDROM_TRACK_ISRC:
-        size = sizeof(SUB_Q_CURRENT_POSITION);
         FIXME("TrackIsrc: NIY on linux\n");
         data->TrackIsrc.FormatCode = IOCTL_CDROM_TRACK_ISRC;
         data->TrackIsrc.Tcval = 0;
@@ -913,7 +909,6 @@ static NTSTATUS CDROM_ReadQChannel(int dev, int fd, const CDROM_SUB_Q_DATA_FORMA
  end:
     ret = CDROM_GetStatusCode(io);
 #elif defined(__FreeBSD__) || defined(__NetBSD__)
-    unsigned            size;
     SUB_Q_HEADER*       hdr = (SUB_Q_HEADER*)data;
     int                 io;
     struct ioc_read_subchannel	read_sc;
@@ -974,7 +969,6 @@ static NTSTATUS CDROM_ReadQChannel(int dev, int fd, const CDROM_SUB_Q_DATA_FORMA
     switch (fmt->Format)
     {
     case IOCTL_CDROM_CURRENT_POSITION:
-        size = sizeof(SUB_Q_CURRENT_POSITION);
         RtlEnterCriticalSection( &cache_section );
 	if (hdr->AudioStatus==AUDIO_STATUS_IN_PROGRESS) {
           data->CurrentPosition.FormatCode = IOCTL_CDROM_CURRENT_POSITION;
@@ -1000,13 +994,11 @@ static NTSTATUS CDROM_ReadQChannel(int dev, int fd, const CDROM_SUB_Q_DATA_FORMA
         RtlLeaveCriticalSection( &cache_section );
         break;
     case IOCTL_CDROM_MEDIA_CATALOG:
-        size = sizeof(SUB_Q_MEDIA_CATALOG_NUMBER);
         data->MediaCatalog.FormatCode = IOCTL_CDROM_MEDIA_CATALOG;
         data->MediaCatalog.Mcval = sc.what.media_catalog.mc_valid;
         memcpy(data->MediaCatalog.MediaCatalog, sc.what.media_catalog.mc_number, 15);
         break;
     case IOCTL_CDROM_TRACK_ISRC:
-        size = sizeof(SUB_Q_CURRENT_POSITION);
         data->TrackIsrc.FormatCode = IOCTL_CDROM_TRACK_ISRC;
         data->TrackIsrc.Tcval = sc.what.track_info.ti_valid;
         memcpy(data->TrackIsrc.TrackIsrc, sc.what.track_info.ti_number, 15);
diff --git a/dlls/ntdll/loadorder.c b/dlls/ntdll/loadorder.c
index c31b633..ae50a4c 100644
--- a/dlls/ntdll/loadorder.c
+++ b/dlls/ntdll/loadorder.c
@@ -376,12 +376,11 @@ static enum loadorder get_registry_value( HANDLE hkey, const WCHAR *module )
     UNICODE_STRING valueW;
     char buffer[80];
     DWORD count;
-    BOOL ret;
 
     RtlInitUnicodeString( &valueW, module );
 
-    if ((ret = !NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation,
-                                 buffer, sizeof(buffer), &count )))
+    if (!NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation,
+                                 buffer, sizeof(buffer), &count ))
     {
         WCHAR *str = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)buffer)->Data;
         return parse_load_order( str );
diff --git a/dlls/ntdll/path.c b/dlls/ntdll/path.c
index d7be183..a6fb090 100644
--- a/dlls/ntdll/path.c
+++ b/dlls/ntdll/path.c
@@ -596,7 +596,6 @@ static const WCHAR *skip_unc_prefix( const WCHAR *ptr )
 static ULONG get_full_path_helper(LPCWSTR name, LPWSTR buffer, ULONG size)
 {
     ULONG                       reqsize = 0, mark = 0, dep = 0, deplen;
-    DOS_PATHNAME_TYPE           type;
     LPWSTR                      ins_str = NULL;
     LPCWSTR                     ptr;
     const UNICODE_STRING*       cd;
@@ -613,7 +612,7 @@ static ULONG get_full_path_helper(LPCWSTR name, LPWSTR buffer, ULONG size)
     else
         cd = &NtCurrentTeb()->Peb->ProcessParameters->CurrentDirectory.DosPath;
 
-    switch (type = RtlDetermineDosPathNameType_U(name))
+    switch (RtlDetermineDosPathNameType_U(name))
     {
     case UNC_PATH:              /* \\foo   */
         ptr = skip_unc_prefix( name );