GIT: unionfs2-2.6.27.y: Unionfs: don't open unhashed files

[Erez Zadok]

commit 2450e18a2b97d7ba3e9a5bda963e7297fe17a662
Author: Erez Zadok <ezk at cs.sunysb.edu>
Date:   Tue Aug 26 15:07:49 2008 -0400

    Unionfs: don't open unhashed files
    
    Signed-off-by: Erez Zadok <ezk at cs.sunysb.edu>

diff --git a/fs/unionfs/commonfops.c b/fs/unionfs/commonfops.c
index 51f10a2..7711f93 100644
--- a/fs/unionfs/commonfops.c
+++ b/fs/unionfs/commonfops.c
@@ -601,6 +601,12 @@ int unionfs_open(struct inode *inode, struct file *file)
 		goto out_nofree;
 	}
 
+	/* don't open unhashed/deleted files */
+	if (d_deleted(dentry)) {
+		err = -ENOENT;
+		goto out_nofree;
+	}
+
 	file->private_data =
 		kzalloc(sizeof(struct unionfs_file_info), GFP_KERNEL);
 	if (unlikely(!UNIONFS_F(file))) {