eCryptfs: Force RO mount when encrypted view is enabled

[deliverable/linux.git] / fs / ecryptfs / file.c

diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index f5bce9096555a66be549a2735c783d1e8c18fa9a..54742f9a67a8484664bedbd04e3cb026f1748e1c 100644 (file)
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -190,23 +190,11 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
 {
        int rc = 0;
        struct ecryptfs_crypt_stat *crypt_stat = NULL;
-       struct ecryptfs_mount_crypt_stat *mount_crypt_stat;
        struct dentry *ecryptfs_dentry = file->f_path.dentry;
        /* Private value of ecryptfs_dentry allocated in
         * ecryptfs_lookup() */
        struct ecryptfs_file_info *file_info;
 
-       mount_crypt_stat = &ecryptfs_superblock_to_private(
-               ecryptfs_dentry->d_sb)->mount_crypt_stat;
-       if ((mount_crypt_stat->flags & ECRYPTFS_ENCRYPTED_VIEW_ENABLED)
-           && ((file->f_flags & O_WRONLY) || (file->f_flags & O_RDWR)
-               || (file->f_flags & O_CREAT) || (file->f_flags & O_TRUNC)
-               || (file->f_flags & O_APPEND))) {
-               printk(KERN_WARNING "Mount has encrypted view enabled; "
-                      "files may only be read\n");
-               rc = -EPERM;
-               goto out;
-       }
        /* Released in ecryptfs_release or end of function if failure */
        file_info = kmem_cache_zalloc(ecryptfs_file_info_cache, GFP_KERNEL);
        ecryptfs_set_file_private(file, file_info);