1 files changed, 11 insertions, 2 deletions

diff --git a/fs/ecryptfs/kthread.c b/fs/ecryptfs/kthread.c
index 866bb18efefe..e818f5ac7a26 100644
--- a/fs/ecryptfs/kthread.c
+++ b/fs/ecryptfs/kthread.c
@@ -25,6 +25,7 @@
 #include <linux/slab.h>
 #include <linux/wait.h>
 #include <linux/mount.h>
+#include <linux/file.h>
 #include "ecryptfs_kernel.h"
 
 struct ecryptfs_open_req {
@@ -147,7 +148,7 @@ int ecryptfs_privileged_open(struct file **lower_file,
         flags |= IS_RDONLY(d_inode(lower_dentry)) ? O_RDONLY : O_RDWR;
         (*lower_file) = dentry_open(&req.path, flags, cred);
         if (!IS_ERR(*lower_file))
-                goto out;
+                goto have_file;
         if ((flags & O_ACCMODE) == O_RDONLY) {
                 rc = PTR_ERR((*lower_file));
                 goto out;
@@ -165,8 +166,16 @@ int ecryptfs_privileged_open(struct file **lower_file,
         mutex_unlock(&ecryptfs_kthread_ctl.mux);
         wake_up(&ecryptfs_kthread_ctl.wait);
         wait_for_completion(&req.done);
-        if (IS_ERR(*lower_file))
+        if (IS_ERR(*lower_file)) {
                 rc = PTR_ERR(*lower_file);
+                goto out;
+        }
+have_file:
+        if ((*lower_file)->f_op->mmap == NULL) {
+                fput(*lower_file);
+                *lower_file = NULL;
+                rc = -EMEDIUMTYPE;
+        }
 out:
         return rc;
 }