s3 vfs: Add a destructor to the fsp extension data API

I'm not certain if the dummy pointer is needed in struct vfs_fsp_data,
but I added it to be consistent with the comment below.

4 files changed, 5 insertions, 4 deletions

diff --git a/source3/modules/vfs_cacheprime.c b/source3/modules/vfs_cacheprime.c
index fed051ca8d..71b850505a 100644
--- a/source3/modules/vfs_cacheprime.c
+++ b/source3/modules/vfs_cacheprime.c
@@ -54,7 +54,7 @@ static bool prime_cache(
         SMB_OFF_T * last;
         ssize_t nread;
 
-        last = (SMB_OFF_T *)VFS_ADD_FSP_EXTENSION(handle, fsp, SMB_OFF_T);
+        last = (SMB_OFF_T *)VFS_ADD_FSP_EXTENSION(handle, fsp, SMB_OFF_T, NULL);
         if (!last) {
                 return False;
         }
diff --git a/source3/modules/vfs_commit.c b/source3/modules/vfs_commit.c
index 1cef6d0243..a8105e021e 100644
--- a/source3/modules/vfs_commit.c
+++ b/source3/modules/vfs_commit.c
@@ -190,7 +190,7 @@ static int commit_open(
                                         MODULE, "eof mode", "none");
 
         if (dthresh > 0 || !strequal(eof_mode, "none")) {
-                c = VFS_ADD_FSP_EXTENSION(handle, fsp, struct commit_info);
+                c = VFS_ADD_FSP_EXTENSION(handle, fsp, struct commit_info, NULL);
                 /* Process main tunables */
                 if (c) {
                         c->dthresh = dthresh;
diff --git a/source3/modules/vfs_prealloc.c b/source3/modules/vfs_prealloc.c
index 5a339dbf8d..299f6548a1 100644
--- a/source3/modules/vfs_prealloc.c
+++ b/source3/modules/vfs_prealloc.c
@@ -164,7 +164,7 @@ static int prealloc_open(vfs_handle_struct* handle,
 	if ((flags & O_CREAT) || (flags & O_TRUNC)) {
 		SMB_OFF_T * psize;
 
-		psize = VFS_ADD_FSP_EXTENSION(handle, fsp, SMB_OFF_T);
+		psize = VFS_ADD_FSP_EXTENSION(handle, fsp, SMB_OFF_T, NULL);
 		if (psize == NULL || *psize == -1) {
 			return fd;
 		}
diff --git a/source3/modules/vfs_streams_xattr.c b/source3/modules/vfs_streams_xattr.c
index 37473439dd..77ffff5fb5 100644
--- a/source3/modules/vfs_streams_xattr.c
+++ b/source3/modules/vfs_streams_xattr.c
@@ -405,7 +405,8 @@ static int streams_xattr_open(vfs_handle_struct *handle,  const char *fname,
 	}
 
         sio = (struct stream_io *)VFS_ADD_FSP_EXTENSION(handle, fsp,
-							struct stream_io);
+							struct stream_io,
+							NULL);
         if (sio == NULL) {
                 errno = ENOMEM;
                 goto fail;