Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

Pull security subsystem fixes from James Morris.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  KEYS: remove a bogus NULL check
  ima: Fix build failure on powerpc when TCG_IBMVTPM dependencies are not met
  KEYS: Fix stale key registration at error path

security/integrity/ima/Kconfig

@@ -10,7 +10,7 @@ config IMA
 	select CRYPTO_HASH_INFO
 	select TCG_TPM if HAS_IOMEM && !UML
 	select TCG_TIS if TCG_TPM && X86
-	select TCG_IBMVTPM if TCG_TPM && PPC64
+	select TCG_IBMVTPM if TCG_TPM && PPC_PSERIES
 	help
 	  The Trusted Computing Group(TCG) runtime Integrity
 	  Measurement Architecture(IMA) maintains a list of hash

security/keys/encrypted-keys/encrypted.c

@@ -1017,10 +1017,13 @@ static int __init init_encrypted(void)
 	ret = encrypted_shash_alloc();
 	if (ret < 0)
 		return ret;
+	ret = aes_get_sizes();
+	if (ret < 0)
+		goto out;
 	ret = register_key_type(&key_type_encrypted);
 	if (ret < 0)
 		goto out;
-	return aes_get_sizes();
+	return 0;
 out:
 	encrypted_shash_release();
 	return ret;

security/keys/key.c

@@ -276,12 +276,10 @@ struct key *key_alloc(struct key_type *type, const char *desc,
 	if (!key)
 		goto no_memory_2;
 
-	if (desc) {
-		key->index_key.desc_len = desclen;
-		key->index_key.description = kmemdup(desc, desclen + 1, GFP_KERNEL);
-		if (!key->description)
-			goto no_memory_3;
-	}
+	key->index_key.desc_len = desclen;
+	key->index_key.description = kmemdup(desc, desclen + 1, GFP_KERNEL);
+	if (!key->description)
+		goto no_memory_3;
 
 	atomic_set(&key->usage, 1);
 	init_rwsem(&key->sem);