fix exofs ->get_parent()

NULL is not a possible return value for that method, TYVM...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index 06065bd..c57bedd 100644 (file)
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -913,7 +913,7 @@ struct dentry *exofs_get_parent(struct dentry *child)
        unsigned long ino = exofs_parent_ino(child);
 
        if (!ino)
-               return NULL;
+               return ERR_PTR(-ESTALE);
 
        return d_obtain_alias(exofs_iget(child->d_inode->i_sb, ino));
 }