ntdll: Avoid examining uninitialized data.

dlls/ntdll/directory.c

@@ -923,7 +923,7 @@ static BOOLEAN get_dir_case_sensitivity_stat( const char *dir )
 #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
     struct statfs stfs;
 
-    statfs( dir, &stfs );
+    if (statfs( dir, &stfs ) == -1) return FALSE;
     /* Assume these file systems are always case insensitive on Mac OS.
      * For FreeBSD, only assume CIOPFS is case insensitive (AFAIK, Mac OS
      * is the only UNIX that supports case-insensitive lookup).
@@ -960,7 +960,7 @@ static BOOLEAN get_dir_case_sensitivity_stat( const char *dir )
 #elif defined(__NetBSD__)
     struct statvfs stfs;
 
-    statvfs( dir, &stfs );
+    if (statvfs( dir, &stfs ) == -1) return FALSE;
     /* Only assume CIOPFS is case insensitive. */
     if (strcmp( stfs.f_fstypename, "fusefs" ) ||
         strncmp( stfs.f_mntfromname, "ciopfs", 5 ))
@@ -973,7 +973,7 @@ static BOOLEAN get_dir_case_sensitivity_stat( const char *dir )
     char *cifile;
 
     /* Only assume CIOPFS is case insensitive. */
-    statfs( dir, &stfs );
+    if (statfs( dir, &stfs ) == -1) return FALSE;
     if (stfs.f_type != 0x65735546 /* FUSE_SUPER_MAGIC */)
         return TRUE;
     /* Normally, we'd have to parse the mtab to find out exactly what
@@ -2175,7 +2175,6 @@ static NTSTATUS find_file_in_dir( char *unix_name, int pos, const WCHAR *name, i
         }
     }
     closedir( dir );
-    goto not_found;  /* avoid warning */
 
 not_found:
     unix_name[pos - 1] = 0;