staging: android: ion: Remove valid_handle variable in ion_free_nolock

It is not neccessary to save the value of ion_handle_validate since it
is only used once.
Signed-off-by: Johanna Abrahamsson <johanna@mjao.org>
Acked-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/android/ion/ion.c

@@ -548,11 +548,7 @@ EXPORT_SYMBOL(ion_alloc);
 static void ion_free_nolock(struct ion_client *client,
 			    struct ion_handle *handle)
 {
-	bool valid_handle;
-
-	valid_handle = ion_handle_validate(client, handle);
-
-	if (!valid_handle) {
+	if (!ion_handle_validate(client, handle)) {
 		WARN(1, "%s: invalid handle passed to free.\n", __func__);
 		return;
 	}