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vfs: fix shrink_submounts 

In the last refactoring of shrink_submounts a variable was not completely
renamed.  So finish the renaming of mnt to m now.

Without this if you attempt to mount an nfs mount that has both automatic
nfs sub mounts on it, and has normal mounts on it.  The unmount will
succeed when it should not.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Eric W. Biederman 2008-11-12 13:26:54 -08:00 committed by Linus Torvalds
parent 8891d6da17
commit afef80b3d8
1 changed files with 2 additions and 2 deletions
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4
fs/namespace.c
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@ -1815,8 +1815,8 @@ static void shrink_submounts(struct vfsmount *mnt, struct list_head *umounts)
while (!list_empty(&graveyard)) {
m = list_first_entry(&graveyard, struct vfsmount,
mnt_expire);
touch_mnt_namespace(mnt->mnt_ns);
umount_tree(mnt, 1, umounts);
touch_mnt_namespace(m->mnt_ns);
umount_tree(m, 1, umounts);
}
}
}