drbd: Get rid of BE_DRBD_MAGIC and BE_DRBD_MAGIC_BIG

Converting the constants happens at compile time.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 0c16620..2cd132a 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1841,7 +1841,7 @@
 	ERR_IF(!h) return false;
 	ERR_IF(!size) return false;
 
-	h->magic   = BE_DRBD_MAGIC;
+	h->magic   = cpu_to_be32(DRBD_MAGIC);
 	h->command = cpu_to_be16(cmd);
 	h->length  = cpu_to_be16(size-sizeof(struct p_header80));
 
@@ -1889,7 +1889,7 @@
 	struct p_header80 h;
 	int ok;
 
-	h.magic   = BE_DRBD_MAGIC;
+	h.magic   = cpu_to_be32(DRBD_MAGIC);
 	h.command = cpu_to_be16(cmd);
 	h.length  = cpu_to_be16(size);
 
@@ -2477,7 +2477,7 @@
 	p.block_id = ID_SYNCER /* unused */;
 	p.blksize  = cpu_to_be32(size);
 
-	p.head.magic   = BE_DRBD_MAGIC;
+	p.head.magic   = cpu_to_be32(DRBD_MAGIC);
 	p.head.command = cpu_to_be16(cmd);
 	p.head.length  = cpu_to_be16(sizeof(p) - sizeof(struct p_header80) + digest_size);
 
@@ -2682,12 +2682,12 @@
 		crypto_hash_digestsize(mdev->integrity_w_tfm) : 0;
 
 	if (req->size <= DRBD_MAX_SIZE_H80_PACKET) {
-		p.head.h80.magic   = BE_DRBD_MAGIC;
+		p.head.h80.magic   = cpu_to_be32(DRBD_MAGIC);
 		p.head.h80.command = cpu_to_be16(P_DATA);
 		p.head.h80.length  =
 			cpu_to_be16(sizeof(p) - sizeof(union p_header) + dgs + req->size);
 	} else {
-		p.head.h95.magic   = BE_DRBD_MAGIC_BIG;
+		p.head.h95.magic   = cpu_to_be16(DRBD_MAGIC_BIG);
 		p.head.h95.command = cpu_to_be16(P_DATA);
 		p.head.h95.length  =
 			cpu_to_be32(sizeof(p) - sizeof(union p_header) + dgs + req->size);
@@ -2767,12 +2767,12 @@
 		crypto_hash_digestsize(mdev->integrity_w_tfm) : 0;
 
 	if (e->size <= DRBD_MAX_SIZE_H80_PACKET) {
-		p.head.h80.magic   = BE_DRBD_MAGIC;
+		p.head.h80.magic   = cpu_to_be32(DRBD_MAGIC);
 		p.head.h80.command = cpu_to_be16(cmd);
 		p.head.h80.length  =
 			cpu_to_be16(sizeof(p) - sizeof(struct p_header80) + dgs + e->size);
 	} else {
-		p.head.h95.magic   = BE_DRBD_MAGIC_BIG;
+		p.head.h95.magic   = cpu_to_be16(DRBD_MAGIC_BIG);
 		p.head.h95.command = cpu_to_be16(cmd);
 		p.head.h95.length  =
 			cpu_to_be32(sizeof(p) - sizeof(struct p_header80) + dgs + e->size);
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 5ed9619..69eec69 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -712,7 +712,7 @@
 
 	rr = drbd_recv_short(mdev, sock, h, sizeof(*h), 0);
 
-	if (rr == sizeof(*h) && h->magic == BE_DRBD_MAGIC)
+	if (rr == sizeof(*h) && h->magic == cpu_to_be32(DRBD_MAGIC))
 		return be16_to_cpu(h->command);
 
 	return 0xffff;
@@ -935,10 +935,10 @@
 		return false;
 	}
 
-	if (likely(h->h80.magic == BE_DRBD_MAGIC)) {
+	if (likely(h->h80.magic == cpu_to_be32(DRBD_MAGIC))) {
 		*cmd = be16_to_cpu(h->h80.command);
 		*packet_size = be16_to_cpu(h->h80.length);
-	} else if (h->h95.magic == BE_DRBD_MAGIC_BIG) {
+	} else if (h->h95.magic == cpu_to_be16(DRBD_MAGIC_BIG)) {
 		*cmd = be16_to_cpu(h->h95.command);
 		*packet_size = be32_to_cpu(h->h95.length);
 	} else {
@@ -4623,7 +4623,7 @@
 		}
 
 		if (received == expect && cmd == NULL) {
-			if (unlikely(h->magic != BE_DRBD_MAGIC)) {
+			if (unlikely(h->magic != cpu_to_be32(DRBD_MAGIC))) {
 				dev_err(DEV, "magic?? on meta m: 0x%08x c: %d l: %d\n",
 				    be32_to_cpu(h->magic),
 				    be16_to_cpu(h->command),