2.6.36-stable review patch. If anyone has any objections, please let us know.
------------------
From: Richard Weinberger <rich...@nod.at>
commit 1b627d5771312c92404b66f0a0b16f66036dd2e1 upstream.
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 <rich...@nod.at>
Reported-by: Toralf Förster <toralf.foers...@gmx.de>
Tested-by: Toralf Förster <toralf.foers...@gmx.de>
Cc: Christoph Hellwig <h...@lst.de>
Cc: Al Viro <v...@zeniv.linux.org.uk>
Cc: Jeff Dike <jd...@addtoit.com>
Signed-off-by: Andrew Morton <a...@linux-foundation.org>
Signed-off-by: Linus Torvalds <torva...@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gre...@suse.de>
---
fs/hostfs/hostfs.h | 3 +--
fs/hostfs/hostfs_kern.c | 2 +-
fs/hostfs/hostfs_user.c | 9 ++-------
3 files changed, 4 insertions(+), 10 deletions(-)
--- a/fs/hostfs/hostfs.h
+++ b/fs/hostfs/hostfs.h
@@ -96,7 +96,6 @@ extern int rename_file(char *from, char
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
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -217,7 +217,7 @@ int hostfs_statfs(struct dentry *dentry,
err = do_statfs(dentry->d_sb->s_fs_info,
&sf->f_bsize, &f_blocks, &f_bfree, &f_bavail, &f_files,
&f_ffree, &sf->f_fsid, sizeof(sf->f_fsid),
- &sf->f_namelen, sf->f_spare);
+ &sf->f_namelen);
if (err)
return err;
sf->f_blocks = f_blocks;
--- a/fs/hostfs/hostfs_user.c
+++ b/fs/hostfs/hostfs_user.c
@@ -364,8 +364,7 @@ int rename_file(char *from, char *to)
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 @@ int do_statfs(char *root, long *bsize_ou
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;
}
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