Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android

[firefly-linux-kernel-4.4.55.git] / fs / ext4 / ioctl.c

diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 95315b1f4b71c58458f0a6fa2b4d5ae2059e06a5..7e974878d9a9ca1774acf59059bf9cd88ebf890e 100644 (file)
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -633,7 +633,13 @@ resizefs_out:
                        goto encryption_policy_out;
                }
 
+               err = mnt_want_write_file(filp);
+               if (err)
+                       goto encryption_policy_out;
+
                err = ext4_process_policy(&policy, inode);
+
+               mnt_drop_write_file(filp);
 encryption_policy_out:
                return err;
 #else