ima: ecryptfs fix imbalance message

The unencrypted files are being measured.  Update the counters to get
rid of the ecryptfs imbalance message. (http://bugzilla.redhat.com/519737)

Reported-by: Sachin Garg
Cc: Eric Paris <eparis@redhat.com>
Cc: Dustin Kirkland <kirkland@canonical.com>
Cc: James Morris <jmorris@namei.org>
Cc: David Safford <safford@watson.ibm.com>
Cc: stable@kernel.org
Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>

diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 101fe4c..c6ac85d 100644 (file)
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -35,6 +35,7 @@
 #include <linux/key.h>
 #include <linux/parser.h>
 #include <linux/fs_stack.h>
+#include <linux/ima.h>
 #include "ecryptfs_kernel.h"
 
 /**
@@ -118,6 +119,7 @@ int ecryptfs_init_persistent_file(struct dentry *ecryptfs_dentry)
        const struct cred *cred = current_cred();
        struct ecryptfs_inode_info *inode_info =
                ecryptfs_inode_to_private(ecryptfs_dentry->d_inode);
+       int opened_lower_file = 0;
        int rc = 0;
 
        mutex_lock(&inode_info->lower_file_mutex);
@@ -134,9 +136,12 @@ int ecryptfs_init_persistent_file(struct dentry *ecryptfs_dentry)
                               "for lower_dentry [0x%p] and lower_mnt [0x%p]; "
                               "rc = [%d]\n", lower_dentry, lower_mnt, rc);
                        inode_info->lower_file = NULL;
-               }
+               } else
+                       opened_lower_file = 1;
        }
        mutex_unlock(&inode_info->lower_file_mutex);
+       if (opened_lower_file)
+               ima_counts_get(inode_info->lower_file);
        return rc;
 }