hostfs: fix UML crash: remove f_spare from hostfs

365b1818 ("add f_flags to struct statfs(64)") resized f_spare within
struct statfs which caused a UML crash.  There is no need to copy f_spare.

Signed-off-by: Richard Weinberger <richard@nod.at>
Reported-by: Toralf Förster <toralf.foerster@gmx.de>
Tested-by: Toralf Förster <toralf.foerster@gmx.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/hostfs/hostfs.h b/fs/hostfs/hostfs.h
index 7c232c1487ee..bf15a43016b9 100644
--- a/fs/hostfs/hostfs.h
+++ b/fs/hostfs/hostfs.h
@@ -91,7 +91,6 @@ extern int rename_file(char *from, char *to);
 extern int do_statfs(char *root, long *bsize_out, long long *blocks_out,
                      long long *bfree_out, long long *bavail_out,
                      long long *files_out, long long *ffree_out,
-                     void *fsid_out, int fsid_size, long *namelen_out,
-                     long *spare_out);
+                     void *fsid_out, int fsid_size, long *namelen_out);
 
 #endif