1 files changed, 7 insertions, 4 deletions
diff --git a/include/linux/firewire.h b/include/linux/firewire.h
index aec8f30ab200..07967a450eaa 100644
--- a/include/linux/firewire.h
+++ b/include/linux/firewire.h
@@ -436,6 +436,12 @@ typedef void (*fw_iso_callback_t)(struct fw_iso_context *context,
 				  void *header, void *data);
 typedef void (*fw_iso_mc_callback_t)(struct fw_iso_context *context,
 				     dma_addr_t completed, void *data);
+
+union fw_iso_callback {
+	fw_iso_callback_t sc;
+	fw_iso_mc_callback_t mc;
+};
+
 struct fw_iso_context {
 	struct fw_card *card;
 	int type;
@@ -443,10 +449,7 @@ struct fw_iso_context {
 	int speed;
 	bool drop_overflow_headers;
 	size_t header_size;
-	union {
-		fw_iso_callback_t sc;
-		fw_iso_mc_callback_t mc;
-	} callback;
+	union fw_iso_callback callback;
 	void *callback_data;
 };