fscrypt: fix renaming and linking special files

[mirror_ubuntu-artful-kernel.git] / fs / crypto / policy.c

diff --git a/fs/crypto/policy.c b/fs/crypto/policy.c
index 6ed7c2eebeec53c7656054d05061dc83a23ef1c0..d6cd7ea4851da877b13c7af306fd07f8468a54f4 100644 (file)
--- a/fs/crypto/policy.c
+++ b/fs/crypto/policy.c
@@ -179,6 +179,11 @@ int fscrypt_has_permitted_context(struct inode *parent, struct inode *child)
                BUG_ON(1);
        }
 
+       /* No restrictions on file types which are never encrypted */
+       if (!S_ISREG(child->i_mode) && !S_ISDIR(child->i_mode) &&
+           !S_ISLNK(child->i_mode))
+               return 1;
+
        /* no restrictions if the parent directory is not encrypted */
        if (!parent->i_sb->s_cop->is_encrypted(parent))
                return 1;