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>
diff --git a/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c
index 6777aa0..8d02683 100644
--- a/fs/hostfs/hostfs_user.c
+++ b/fs/hostfs/hostfs_user.c
@@ -364,8 +364,7 @@
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)
{
struct statfs64 buf;
int err;
@@ -384,10 +383,6 @@
sizeof(buf.f_fsid) > fsid_size ? fsid_size :
sizeof(buf.f_fsid));
*namelen_out = buf.f_namelen;
- spare_out[0] = buf.f_spare[0];
- spare_out[1] = buf.f_spare[1];
- spare_out[2] = buf.f_spare[2];
- spare_out[3] = buf.f_spare[3];
- spare_out[4] = buf.f_spare[4];
+
return 0;
}
