ntdll: Avoid double initialization.

dlls/ntdll/cdrom.c

@@ -748,8 +748,8 @@ static NTSTATUS CDROM_GetDeviceNumber(int dev, STORAGE_DEVICE_NUMBER* devnum)
 static NTSTATUS CDROM_GetDriveGeometry(int dev, int fd, DISK_GEOMETRY* dg)
 {
   CDROM_TOC     toc;
-  NTSTATUS      ret = 0;
-  int           fsize = 0;
+  NTSTATUS      ret;
+  int           fsize;
 
   if ((ret = CDROM_ReadTOC(dev, fd, &toc)) != 0) return ret;
 
@@ -2432,7 +2432,7 @@ static NTSTATUS DVD_ReadKey(int fd, PDVD_COPY_PROTECT_KEY key)
 static NTSTATUS DVD_GetRegion(int fd, PDVD_REGION region)
 {
 #if defined(linux)
-    NTSTATUS ret = STATUS_NOT_SUPPORTED;
+    NTSTATUS ret;
     dvd_struct dvd;
     dvd_authinfo auth_info;
 
@@ -2460,7 +2460,7 @@ static NTSTATUS DVD_GetRegion(int fd, PDVD_REGION region)
     dk_dvd_read_structure_t dvd;
     DVDRegionPlaybackControlInfo rpc;
     DVDCopyrightInfo copy;
-    NTSTATUS ret = STATUS_NOT_SUPPORTED;
+    NTSTATUS ret;
 
     key.format = kDVDKeyFormatRegionState;
     key.keyClass = kDVDKeyClassCSS_CPPM_CPRM;
@@ -2636,7 +2636,7 @@ static NTSTATUS DVD_ReadStructure(int dev, const DVD_READ_STRUCTURE *structure,
 	break;
     }
 #elif defined(__APPLE__)
-    NTSTATUS ret = STATUS_NOT_SUPPORTED;
+    NTSTATUS ret;
     dk_dvd_read_structure_t dvdrs;
     union
     {
@@ -2771,7 +2771,7 @@ static NTSTATUS DVD_ReadStructure(int dev, const DVD_READ_STRUCTURE *structure,
 static NTSTATUS GetInquiryData(int fd, PSCSI_ADAPTER_BUS_INFO BufferOut, DWORD OutBufferSize)
 {
 #ifdef HAVE_SG_IO_HDR_T_INTERFACE_ID
-    PSCSI_INQUIRY_DATA pInquiryData = NULL;
+    PSCSI_INQUIRY_DATA pInquiryData;
     UCHAR sense_buffer[32];
     int iochk, version;
     sg_io_hdr_t iocmd;

dlls/ntdll/debugbuffer.c

@@ -91,7 +91,7 @@ static void dump_DEBUG_BUFFER(const DEBUG_BUFFER *iBuf)
 
 PDEBUG_BUFFER WINAPI RtlCreateQueryDebugBuffer(IN ULONG iSize, IN BOOLEAN iEventPair) 
 {
-   PDEBUG_BUFFER oBuf = NULL;
+   PDEBUG_BUFFER oBuf;
    FIXME("(%d, %d): stub\n", iSize, iEventPair);
    if (iSize < sizeof(DEBUG_BUFFER)) {
      iSize = sizeof(DEBUG_BUFFER);

dlls/ntdll/directory.c

@@ -993,7 +993,7 @@ static void add_fs_cache( dev_t dev, fsid_t fsid, BOOLEAN case_sensitive )
  */
 static int get_dir_case_sensitivity_attr( const char *dir )
 {
-    char *mntpoint = NULL;
+    char *mntpoint;
     struct attrlist attr;
     struct vol_caps caps;
     struct get_fsid get_fsid;

dlls/ntdll/loader.c

@@ -1865,7 +1865,7 @@ static NTSTATUS load_builtin_dll( LPCWSTR load_path, LPCWSTR path, HANDLE file,
     char error[256], dllname[MAX_PATH];
     const WCHAR *name, *p;
     DWORD len, i;
-    void *handle = NULL;
+    void *handle;
     struct builtin_load_info info, *prev_info;
 
     /* Fix the name in case we have a full path and extension */

dlls/ntdll/reg.c

@@ -532,7 +532,7 @@ NTSTATUS WINAPI NtQueryValueKey( HANDLE handle, const UNICODE_STRING *name,
 {
     NTSTATUS ret;
     UCHAR *data_ptr;
-    unsigned int fixed_size = 0, min_size = 0;
+    unsigned int fixed_size, min_size;
 
     TRACE( "(%p,%s,%d,%p,%d)\n", handle, debugstr_us(name), info_class, info, length );
 

dlls/ntdll/thread.c

@@ -463,7 +463,7 @@ NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *
     pthread_t pthread_id;
     pthread_attr_t attr;
     struct ntdll_thread_data *thread_data;
-    struct startup_info *info = NULL;
+    struct startup_info *info;
     HANDLE handle = 0, actctx = 0;
     TEB *teb = NULL;
     DWORD tid = 0;
@@ -732,7 +732,7 @@ NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
 {
     NTSTATUS ret;
     DWORD dummy, i;
-    BOOL self = FALSE;
+    BOOL self;
 
 #ifdef __i386__
     /* on i386 debug registers always require a server call */
@@ -746,6 +746,8 @@ NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
                 ntdll_get_thread_data()->dr6 == context->Dr6 &&
                 ntdll_get_thread_data()->dr7 == context->Dr7);
     }
+#else
+    self = FALSE;
 #endif
 
     if (!self)