2010-07-01 Jennifer Averett <Jennifer.Averett@OARcorp.com>

	* libcsupport/src/chdir.c, libcsupport/src/chmod.c,
	libcsupport/src/chown.c, libcsupport/src/close.c,
	libcsupport/src/eval.c, libcsupport/src/fchdir.c,
	libcsupport/src/fchmod.c, libcsupport/src/fchown.c,
	libcsupport/src/fcntl.c, libcsupport/src/fdatasync.c,
	libcsupport/src/freenode.c, libcsupport/src/fstat.c,
	libcsupport/src/fsync.c, libcsupport/src/ftruncate.c,
	libcsupport/src/ioctl.c, libcsupport/src/link.c,
	libcsupport/src/lseek.c, libcsupport/src/mknod.c,
	libcsupport/src/mount.c, libcsupport/src/open.c,
	libcsupport/src/read.c, libcsupport/src/readlink.c,
	libcsupport/src/readv.c, libcsupport/src/rmdir.c,
	libcsupport/src/stat.c, libcsupport/src/statvfs.c,
	libcsupport/src/symlink.c, libcsupport/src/unlink.c,
	libcsupport/src/unmount.c, libcsupport/src/write.c: Removed
	filesystem checks for NULL methods checks from the main posix
	rountines. These are now required to have at a miminum default
	routines in the tables.

30 files changed, 7 insertions, 204 deletions

diff --git a/cpukit/libcsupport/src/chdir.c b/cpukit/libcsupport/src/chdir.c
index fe8796cb35..c9d05f0bef 100644
--- a/cpukit/libcsupport/src/chdir.c
+++ b/cpukit/libcsupport/src/chdir.c
@@ -44,11 +44,6 @@ int chdir(
   /*
    * Verify you can change directory into this node.
    */
-  if ( !loc.ops->node_type_h ) {
-    rtems_filesystem_freenode( &loc );
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   if (  (*loc.ops->node_type_h)( &loc ) != RTEMS_FILESYSTEM_DIRECTORY ) {
     rtems_filesystem_freenode( &loc );
     rtems_set_errno_and_return_minus_one( ENOTDIR );
diff --git a/cpukit/libcsupport/src/chmod.c b/cpukit/libcsupport/src/chmod.c
index 459314f736..d1d9ae0f5f 100644
--- a/cpukit/libcsupport/src/chmod.c
+++ b/cpukit/libcsupport/src/chmod.c
@@ -38,16 +38,6 @@ int chmod(
   if ( status != 0 )
     return -1;
 
-  if ( !loc.handlers ){
-    rtems_filesystem_freenode( &loc );
-    rtems_set_errno_and_return_minus_one( EBADF );
-  }
-
-  if ( !loc.handlers->fchmod_h ){
-    rtems_filesystem_freenode( &loc );
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   result = (*loc.handlers->fchmod_h)( &loc, mode );
 
   rtems_filesystem_freenode( &loc );
diff --git a/cpukit/libcsupport/src/chown.c b/cpukit/libcsupport/src/chown.c
index 22d2a77127..157c59e997 100644
--- a/cpukit/libcsupport/src/chown.c
+++ b/cpukit/libcsupport/src/chown.c
@@ -36,11 +36,6 @@ int chown(
   if ( rtems_filesystem_evaluate_path( path, strlen( path ), 0x00, &loc, true ) )
     return -1;
 
-  if ( !loc.ops->chown_h ) {
-    rtems_filesystem_freenode( &loc );
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   result = (*loc.ops->chown_h)( &loc, owner, group );
 
   rtems_filesystem_freenode( &loc );
diff --git a/cpukit/libcsupport/src/close.c b/cpukit/libcsupport/src/close.c
index b1ee7ef223..d14c4e18f5 100644
--- a/cpukit/libcsupport/src/close.c
+++ b/cpukit/libcsupport/src/close.c
@@ -29,8 +29,7 @@ int close(
   rtems_libio_check_is_open(iop);
 
   rc = RTEMS_SUCCESSFUL;
-  if ( iop->handlers->close_h )
-    rc = (*iop->handlers->close_h)( iop );
+  rc = (*iop->handlers->close_h)( iop );
 
   rtems_filesystem_freenode( &iop->pathinfo );
   rtems_libio_free( iop );
diff --git a/cpukit/libcsupport/src/eval.c b/cpukit/libcsupport/src/eval.c
index da7acc45de..9ef8c735a5 100644
--- a/cpukit/libcsupport/src/eval.c
+++ b/cpukit/libcsupport/src/eval.c
@@ -42,9 +42,6 @@ int rtems_filesystem_evaluate_relative_path(
   if ( !pathloc )
     rtems_set_errno_and_return_minus_one( EIO );       /* should never happen */
 
-  if ( !pathloc->ops->evalpath_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
   result = (*pathloc->ops->evalpath_h)( pathname, pathnamelen, flags, pathloc );
 
   /*
@@ -54,21 +51,11 @@ int rtems_filesystem_evaluate_relative_path(
 
   if ( (result == 0) && follow_link ) {
 
-    if ( !pathloc->ops->node_type_h ){
-      rtems_filesystem_freenode( pathloc );
-      rtems_set_errno_and_return_minus_one( ENOTSUP );
-    }
-
     type = (*pathloc->ops->node_type_h)( pathloc );
 
     if ( ( type == RTEMS_FILESYSTEM_HARD_LINK ) ||
          ( type == RTEMS_FILESYSTEM_SYM_LINK ) ) {
 
-        if ( !pathloc->ops->eval_link_h ){
-          rtems_filesystem_freenode( pathloc );
-          rtems_set_errno_and_return_minus_one( ENOTSUP );
-        }
-
         /* what to do with the valid node pathloc points to
          * if eval_link_h fails?
          * Let the FS implementation deal with this case.  It
diff --git a/cpukit/libcsupport/src/fchdir.c b/cpukit/libcsupport/src/fchdir.c
index 6ff2ca12ee..3c53d653e3 100644
--- a/cpukit/libcsupport/src/fchdir.c
+++ b/cpukit/libcsupport/src/fchdir.c
@@ -45,14 +45,6 @@ int fchdir(
    * Verify you can change directory into this node.
    */
 
-  if ( !iop->pathinfo.ops ) {
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
-  if ( !iop->pathinfo.ops->node_type_h ) {
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   if (  (*iop->pathinfo.ops->node_type_h)( &iop->pathinfo ) !=
                                           RTEMS_FILESYSTEM_DIRECTORY ) {
     rtems_set_errno_and_return_minus_one( ENOTDIR );
diff --git a/cpukit/libcsupport/src/fchmod.c b/cpukit/libcsupport/src/fchmod.c
index 11d9c0e723..867f40f1f8 100644
--- a/cpukit/libcsupport/src/fchmod.c
+++ b/cpukit/libcsupport/src/fchmod.c
@@ -41,8 +41,5 @@ int fchmod(
 
   rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE );
 
-  if ( !iop->handlers->fchmod_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
   return (*iop->pathinfo.handlers->fchmod_h)( &iop->pathinfo, mode );
 }
diff --git a/cpukit/libcsupport/src/fchown.c b/cpukit/libcsupport/src/fchown.c
index b066037717..13bb2b9da0 100644
--- a/cpukit/libcsupport/src/fchown.c
+++ b/cpukit/libcsupport/src/fchown.c
@@ -38,8 +38,5 @@ int fchown(
 
   rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE );
 
-  if ( !iop->pathinfo.ops->chown_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
   return (*iop->pathinfo.ops->chown_h)( &iop->pathinfo, owner, group );
 }
diff --git a/cpukit/libcsupport/src/fcntl.c b/cpukit/libcsupport/src/fcntl.c
index ed99f3dd45..ad4fef7bbe 100644
--- a/cpukit/libcsupport/src/fcntl.c
+++ b/cpukit/libcsupport/src/fcntl.c
@@ -140,12 +140,10 @@ static int vfcntl(
    */
 
   if (ret >= 0) {
-    if (iop->handlers->fcntl_h) {
-      int err = (*iop->handlers->fcntl_h)( cmd, iop );
-      if (err) {
-        errno = err;
-        ret = -1;
-      }
+    int err = (*iop->handlers->fcntl_h)( cmd, iop );
+    if (err) {
+      errno = err;
+      ret = -1;
     }
   }
   return ret;
diff --git a/cpukit/libcsupport/src/fdatasync.c b/cpukit/libcsupport/src/fdatasync.c
index c2b4db43ae..504f7a9de4 100644
--- a/cpukit/libcsupport/src/fdatasync.c
+++ b/cpukit/libcsupport/src/fdatasync.c
@@ -35,8 +35,5 @@ int fdatasync(
    *  Now process the fdatasync().
    */
 
-  if ( !iop->handlers->fdatasync_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
   return (*iop->handlers->fdatasync_h)( iop );
 }
diff --git a/cpukit/libcsupport/src/freenode.c b/cpukit/libcsupport/src/freenode.c
index c99db96271..21a9c1de91 100644
--- a/cpukit/libcsupport/src/freenode.c
+++ b/cpukit/libcsupport/src/freenode.c
@@ -16,7 +16,5 @@
 
 void rtems_filesystem_freenode( rtems_filesystem_location_info_t *_node )
 {
-  if ( _node->ops )
-    if ( _node->ops->freenod_h )
-      _node->ops->freenod_h(_node );
+  _node->ops->freenod_h(_node );
 }
diff --git a/cpukit/libcsupport/src/fstat.c b/cpukit/libcsupport/src/fstat.c
index 86cb4a882d..45eb450947 100644
--- a/cpukit/libcsupport/src/fstat.c
+++ b/cpukit/libcsupport/src/fstat.c
@@ -44,12 +44,6 @@ int fstat(
   rtems_libio_check_fd( fd );
   rtems_libio_check_is_open(iop);
 
-  if ( !iop->handlers )
-    rtems_set_errno_and_return_minus_one( EBADF );
-
-  if ( !iop->handlers->fstat_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
   /*
    *  Zero out the stat structure so the various support
    *  versions of stat don't have to.
diff --git a/cpukit/libcsupport/src/fsync.c b/cpukit/libcsupport/src/fsync.c
index cfd8e8d49b..d8ecb88f3b 100644
--- a/cpukit/libcsupport/src/fsync.c
+++ b/cpukit/libcsupport/src/fsync.c
@@ -35,11 +35,5 @@ int fsync(
    *  Now process the fsync().
    */
 
-  if ( !iop->handlers )
-    rtems_set_errno_and_return_minus_one( EBADF );
-
-  if ( !iop->handlers->fsync_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
   return (*iop->handlers->fsync_h)( iop );
 }
diff --git a/cpukit/libcsupport/src/ftruncate.c b/cpukit/libcsupport/src/ftruncate.c
index 6619ca5f74..e23db2c724 100644
--- a/cpukit/libcsupport/src/ftruncate.c
+++ b/cpukit/libcsupport/src/ftruncate.c
@@ -42,16 +42,10 @@ int ftruncate(
    */
 
   loc = iop->pathinfo;
-  if ( !loc.ops->node_type_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
   if ( (*loc.ops->node_type_h)( &loc ) == RTEMS_FILESYSTEM_DIRECTORY )
     rtems_set_errno_and_return_minus_one( EISDIR );
 
   rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE );
 
-  if ( !iop->handlers->ftruncate_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
   return (*iop->handlers->ftruncate_h)( iop, length );
 }
diff --git a/cpukit/libcsupport/src/ioctl.c b/cpukit/libcsupport/src/ioctl.c
index 029314babc..95cdaf8881 100644
--- a/cpukit/libcsupport/src/ioctl.c
+++ b/cpukit/libcsupport/src/ioctl.c
@@ -47,13 +47,6 @@ int ioctl(
   /*
    *  Now process the ioctl().
    */
-
-  if ( !iop->handlers )
-    rtems_set_errno_and_return_minus_one( EBADF );
-
-  if ( !iop->handlers->ioctl_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
   rc = (*iop->handlers->ioctl_h)( iop, command, buffer );
 
   return rc;
diff --git a/cpukit/libcsupport/src/link.c b/cpukit/libcsupport/src/link.c
index 507b7bf1da..2b57a61815 100644
--- a/cpukit/libcsupport/src/link.c
+++ b/cpukit/libcsupport/src/link.c
@@ -48,11 +48,6 @@ int link(
 
   rtems_filesystem_get_start_loc( new, &i, &parent_loc );
 
-  if ( !parent_loc.ops->evalformake_h ) {
-    rtems_filesystem_freenode( &existing_loc );
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   result = (*parent_loc.ops->evalformake_h)( &new[i], &parent_loc, &name_start );
   if ( result != 0 ) {
     rtems_filesystem_freenode( &existing_loc );
@@ -70,12 +65,6 @@ int link(
     rtems_set_errno_and_return_minus_one( EXDEV );
   }
 
-  if ( !parent_loc.ops->link_h ) {
-    rtems_filesystem_freenode( &existing_loc );
-    rtems_filesystem_freenode( &parent_loc );
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   result = (*parent_loc.ops->link_h)( &existing_loc, &parent_loc, name_start );
 
   rtems_filesystem_freenode( &existing_loc );
diff --git a/cpukit/libcsupport/src/lseek.c b/cpukit/libcsupport/src/lseek.c
index b2d7af606f..840ec3c9d4 100644
--- a/cpukit/libcsupport/src/lseek.c
+++ b/cpukit/libcsupport/src/lseek.c
@@ -35,13 +35,6 @@ off_t lseek(
   rtems_libio_check_is_open(iop);
 
   /*
-   *  Check as many errors as possible before touching iop->offset.
-   */
-
-  if ( !iop->handlers->lseek_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
-  /*
    *  Now process the lseek().
    */
 
diff --git a/cpukit/libcsupport/src/mknod.c b/cpukit/libcsupport/src/mknod.c
index 2d1db0fc3d..f4673b3275 100644
--- a/cpukit/libcsupport/src/mknod.c
+++ b/cpukit/libcsupport/src/mknod.c
@@ -45,10 +45,6 @@ int mknod(
 
   rtems_filesystem_get_start_loc( pathname, &i, &temp_loc );
 
-  if ( !temp_loc.ops->evalformake_h ) {
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   result = (*temp_loc.ops->evalformake_h)(
     &pathname[i],
     &temp_loc,
@@ -57,11 +53,6 @@ int mknod(
   if ( result != 0 )
     return -1;
 
-  if ( !temp_loc.ops->mknod_h ) {
-    rtems_filesystem_freenode( &temp_loc );
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   result =  (*temp_loc.ops->mknod_h)( name_start, mode, dev, &temp_loc );
 
   rtems_filesystem_freenode( &temp_loc );
diff --git a/cpukit/libcsupport/src/mount.c b/cpukit/libcsupport/src/mount.c
index 979382e8a2..29c14077e8 100644
--- a/cpukit/libcsupport/src/mount.c
+++ b/cpukit/libcsupport/src/mount.c
@@ -176,15 +176,6 @@ int mount(
     loc_to_free = &loc;
 
     /*
-     * Test for node_type_h
-     */
-
-    if (!loc.ops->node_type_h) {
-      errno =  ENOTSUP;
-      goto cleanup_and_bail;
-    }
-
-    /*
      *  Test to see if it is a directory
      */
 
@@ -220,11 +211,6 @@ int mount(
      *  below the base file system
      */
 
-    if ( !loc.ops->mount_h ){
-      errno = ENOTSUP;
-      goto cleanup_and_bail;
-    }
-
     if ( loc.ops->mount_h( mt_entry ) ) {
       goto cleanup_and_bail;
     }
@@ -248,9 +234,7 @@ int mount(
     /*
      * Try to undo the mount operation
      */
-    if ( loc.ops->unmount_h ) {
-      loc.ops->unmount_h( mt_entry );
-    }
+    loc.ops->unmount_h( mt_entry );
     goto cleanup_and_bail;
   }
 
diff --git a/cpukit/libcsupport/src/open.c b/cpukit/libcsupport/src/open.c
index 25a6f4e239..ef0bec53af 100644
--- a/cpukit/libcsupport/src/open.c
+++ b/cpukit/libcsupport/src/open.c
@@ -158,11 +158,6 @@ int open(
   iop->flags     |= rtems_libio_fcntl_flags( flags );
   iop->pathinfo   = loc;
 
-  if ( !iop->handlers || !iop->handlers->open_h ) {
-    rc = ENOTSUP;
-    goto done;
-  }
-
   rc = (*iop->handlers->open_h)( iop, pathname, flags, mode );
   if ( rc ) {
     rc = errno;
diff --git a/cpukit/libcsupport/src/read.c b/cpukit/libcsupport/src/read.c
index 34d07085b6..77ba4b1314 100644
--- a/cpukit/libcsupport/src/read.c
+++ b/cpukit/libcsupport/src/read.c
@@ -40,9 +40,6 @@ ssize_t read(
   /*
    *  Now process the read().
    */
-  if ( !iop->handlers->read_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
   rc = (*iop->handlers->read_h)( iop, buffer, count );
 
   if ( rc > 0 )
diff --git a/cpukit/libcsupport/src/readlink.c b/cpukit/libcsupport/src/readlink.c
index 9252871208..1880ed667e 100644
--- a/cpukit/libcsupport/src/readlink.c
+++ b/cpukit/libcsupport/src/readlink.c
@@ -35,21 +35,11 @@ ssize_t readlink(
   if ( result != 0 )
      return -1;
 
-  if ( !loc.ops->node_type_h ){
-    rtems_filesystem_freenode( &loc );
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   if (  (*loc.ops->node_type_h)( &loc ) != RTEMS_FILESYSTEM_SYM_LINK ){
     rtems_filesystem_freenode( &loc );
     rtems_set_errno_and_return_minus_one( EINVAL );
   }
 
-  if ( !loc.ops->readlink_h ){
-    rtems_filesystem_freenode( &loc );
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   result =  (*loc.ops->readlink_h)( &loc, buf, bufsize );
 
   rtems_filesystem_freenode( &loc );
diff --git a/cpukit/libcsupport/src/readv.c b/cpukit/libcsupport/src/readv.c
index cb64797d8d..184bc1f41b 100644
--- a/cpukit/libcsupport/src/readv.c
+++ b/cpukit/libcsupport/src/readv.c
@@ -54,9 +54,6 @@ ssize_t readv(
   if ( iovcnt > IOV_MAX )
     rtems_set_errno_and_return_minus_one( EINVAL );
 
-  if ( !iop->handlers->read_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
   /*
    *  OpenGroup says that you are supposed to return EINVAL if the
    *  sum of the iov_len values in the iov array would overflow a
diff --git a/cpukit/libcsupport/src/rmdir.c b/cpukit/libcsupport/src/rmdir.c
index 671cb1a05a..cb599f26b0 100644
--- a/cpukit/libcsupport/src/rmdir.c
+++ b/cpukit/libcsupport/src/rmdir.c
@@ -74,14 +74,6 @@ int rmdir(
   /*
    * Verify you can remove this node as a directory.
    */
-
-  if ( !loc.ops->node_type_h ){
-    rtems_filesystem_freenode( &loc );
-    if ( free_parentloc )
-      rtems_filesystem_freenode( &parentloc );
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   if (  (*loc.ops->node_type_h)( &loc ) != RTEMS_FILESYSTEM_DIRECTORY ){
     rtems_filesystem_freenode( &loc );
     if ( free_parentloc )
@@ -93,13 +85,6 @@ int rmdir(
    * Use the filesystems rmnod to remove the node.
    */
 
-  if ( !loc.handlers->rmnod_h ){
-    rtems_filesystem_freenode( &loc );
-    if ( free_parentloc )
-      rtems_filesystem_freenode( &parentloc );
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   result =  (*loc.handlers->rmnod_h)( &parentloc, &loc );
 
   rtems_filesystem_freenode( &loc );
diff --git a/cpukit/libcsupport/src/stat.c b/cpukit/libcsupport/src/stat.c
index 8e2240a7ef..9f06deaa52 100644
--- a/cpukit/libcsupport/src/stat.c
+++ b/cpukit/libcsupport/src/stat.c
@@ -62,11 +62,6 @@ int _STAT_NAME(
   if ( status != 0 )
     return -1;
 
-  if ( !loc.handlers->fstat_h ){
-    rtems_filesystem_freenode( &loc );
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   /*
    *  Zero out the stat structure so the various support
    *  versions of stat don't have to.
diff --git a/cpukit/libcsupport/src/statvfs.c b/cpukit/libcsupport/src/statvfs.c
index 24d6415c49..599aa7edc1 100644
--- a/cpukit/libcsupport/src/statvfs.c
+++ b/cpukit/libcsupport/src/statvfs.c
@@ -42,9 +42,6 @@ statvfs (const char *path, struct statvfs *sb)
   mt_entry      = loc.mt_entry;
   fs_mount_root = &mt_entry->mt_fs_root;
 
-  if ( !fs_mount_root->ops->statvfs_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
   memset (sb, 0, sizeof (struct statvfs));
 
   result = ( fs_mount_root->ops->statvfs_h )( fs_mount_root, sb );
diff --git a/cpukit/libcsupport/src/symlink.c b/cpukit/libcsupport/src/symlink.c
index 6904fff920..be29980911 100644
--- a/cpukit/libcsupport/src/symlink.c
+++ b/cpukit/libcsupport/src/symlink.c
@@ -30,19 +30,10 @@ int symlink(
 
   rtems_filesystem_get_start_loc( sympath, &i, &loc );
 
-  if ( !loc.ops->evalformake_h ) {
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   result = (*loc.ops->evalformake_h)( &sympath[i], &loc, &name_start );
   if ( result != 0 )
     return -1;
 
-  if ( !loc.ops->symlink_h ) {
-    rtems_filesystem_freenode( &loc );
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   result = (*loc.ops->symlink_h)( &loc, actualpath, name_start);
 
   rtems_filesystem_freenode( &loc );
diff --git a/cpukit/libcsupport/src/unlink.c b/cpukit/libcsupport/src/unlink.c
index c5c707d3a8..caaf9606cc 100644
--- a/cpukit/libcsupport/src/unlink.c
+++ b/cpukit/libcsupport/src/unlink.c
@@ -67,13 +67,6 @@ int unlink(
     return -1;
   }
 
-  if ( !loc.ops->node_type_h ) {
-    rtems_filesystem_freenode( &loc );
-    if ( free_parentloc )
-      rtems_filesystem_freenode( &parentloc );
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-  }
-
   if (  (*loc.ops->node_type_h)( &loc ) == RTEMS_FILESYSTEM_DIRECTORY ) {
     rtems_filesystem_freenode( &loc );
     if ( free_parentloc )
diff --git a/cpukit/libcsupport/src/unmount.c b/cpukit/libcsupport/src/unmount.c
index 12c659dd6d..1ed5c7dabd 100644
--- a/cpukit/libcsupport/src/unmount.c
+++ b/cpukit/libcsupport/src/unmount.c
@@ -88,17 +88,6 @@ int unmount(
   rtems_filesystem_freenode( &loc );
 
   /*
-   * Verify Unmount is supported by both filesystems.
-   */
-
-  if ( !fs_mount_loc->ops->unmount_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
-  if ( !fs_root_loc->ops->fsunmount_me_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
-
-  /*
    *  Verify the current node is not in this filesystem.
    *  XXX - Joel I have a question here wasn't code added
    *        that made the current node thread based instead
diff --git a/cpukit/libcsupport/src/write.c b/cpukit/libcsupport/src/write.c
index 0193466bd5..1a792f708d 100644
--- a/cpukit/libcsupport/src/write.c
+++ b/cpukit/libcsupport/src/write.c
@@ -47,9 +47,6 @@ ssize_t write(
   /*
    *  Now process the write() request.
    */
-  if ( !iop->handlers->write_h )
-    rtems_set_errno_and_return_minus_one( ENOTSUP );
-
   rc = (*iop->handlers->write_h)( iop, buffer, count );
 
   if ( rc > 0 )