ipmi: Add an intializer for ipmi_recv_msg struct

Don't hand-initialize the struct here, create a macro to initialize it
so new fields added don't get forgotten in places.
Signed-off-by: Corey Minyard <cminyard@mvista.com>

drivers/char/ipmi/ipmi_poweroff.c

@@ -95,9 +95,7 @@ static void dummy_recv_free(struct ipmi_recv_msg *msg)
 	atomic_dec(&dummy_count);
 }
 static struct ipmi_smi_msg halt_smi_msg = INIT_IPMI_SMI_MSG(dummy_smi_free);
-static struct ipmi_recv_msg halt_recv_msg = {
-	.done = dummy_recv_free
-};
+static struct ipmi_recv_msg halt_recv_msg = INIT_IPMI_RECV_MSG(dummy_recv_free);
 
 
 /*

drivers/char/ipmi/ipmi_watchdog.c

@@ -355,9 +355,7 @@ static void msg_free_recv(struct ipmi_recv_msg *msg)
 	}
 }
 static struct ipmi_smi_msg smi_msg = INIT_IPMI_SMI_MSG(msg_free_smi);
-static struct ipmi_recv_msg recv_msg = {
-	.done = msg_free_recv
-};
+static struct ipmi_recv_msg recv_msg = INIT_IPMI_RECV_MSG(msg_free_recv);
 
 static int __ipmi_set_timeout(struct ipmi_smi_msg  *smi_msg,
 			      struct ipmi_recv_msg *recv_msg,
@@ -475,9 +473,8 @@ static void panic_recv_free(struct ipmi_recv_msg *msg)
 
 static struct ipmi_smi_msg panic_halt_heartbeat_smi_msg =
 	INIT_IPMI_SMI_MSG(panic_smi_free);
-static struct ipmi_recv_msg panic_halt_heartbeat_recv_msg = {
-	.done = panic_recv_free
-};
+static struct ipmi_recv_msg panic_halt_heartbeat_recv_msg =
+	INIT_IPMI_RECV_MSG(panic_recv_free);
 
 static void panic_halt_ipmi_heartbeat(void)
 {
@@ -515,9 +512,8 @@ static void panic_halt_ipmi_heartbeat(void)
 
 static struct ipmi_smi_msg panic_halt_smi_msg =
 	INIT_IPMI_SMI_MSG(panic_smi_free);
-static struct ipmi_recv_msg panic_halt_recv_msg = {
-	.done = panic_recv_free
-};
+static struct ipmi_recv_msg panic_halt_recv_msg =
+	INIT_IPMI_RECV_MSG(panic_recv_free);
 
 /*
  * Special call, doesn't claim any locks.  This is only to be called

include/linux/ipmi.h

@@ -72,6 +72,11 @@ struct ipmi_recv_msg {
 	unsigned char   msg_data[IPMI_MAX_MSG_LENGTH];
 };
 
+#define INIT_IPMI_RECV_MSG(done_handler) \
+{					\
+	.done = done_handler		\
+}
+
 /* Allocate and free the receive message. */
 void ipmi_free_recv_msg(struct ipmi_recv_msg *msg);