[PATCH] hton* and ntoh* endianness annotations

Signed-off-by: Al Viro <viro@parcelfarce.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/linux/byteorder/big_endian.h

@@ -11,10 +11,10 @@
 #include <linux/types.h>
 #include <linux/byteorder/swab.h>
 
-#define __constant_htonl(x) ((__u32)(x))
-#define __constant_ntohl(x) ((__u32)(x))
-#define __constant_htons(x) ((__u16)(x))
-#define __constant_ntohs(x) ((__u16)(x))
+#define __constant_htonl(x) ((__force __be32)(__u32)(x))
+#define __constant_ntohl(x) ((__force __u32)(__be32)(x))
+#define __constant_htons(x) ((__force __be16)(__u16)(x))
+#define __constant_ntohs(x) ((__force __u16)(__be16)(x))
 #define __constant_cpu_to_le64(x) ((__force __le64)___constant_swab64((x)))
 #define __constant_le64_to_cpu(x) ___constant_swab64((__force __u64)(__le64)(x))
 #define __constant_cpu_to_le32(x) ((__force __le32)___constant_swab32((x)))

include/linux/byteorder/generic.h

@@ -147,10 +147,10 @@
  * Do the prototypes. Somebody might want to take the
  * address or some such sick thing..
  */
-extern __u32			ntohl(__u32);
-extern __u32			htonl(__u32);
-extern unsigned short int	ntohs(unsigned short int);
-extern unsigned short int	htons(unsigned short int);
+extern __u32			ntohl(__be32);
+extern __be32			htonl(__u32);
+extern __u16			ntohs(__be16);
+extern __be16			htons(__u16);
 
 #if defined(__GNUC__) && (__GNUC__ >= 2) && defined(__OPTIMIZE__)
 

include/linux/byteorder/little_endian.h

@@ -11,10 +11,10 @@
 #include <linux/types.h>
 #include <linux/byteorder/swab.h>
 
-#define __constant_htonl(x) ___constant_swab32((x))
-#define __constant_ntohl(x) ___constant_swab32((x))
-#define __constant_htons(x) ___constant_swab16((x))
-#define __constant_ntohs(x) ___constant_swab16((x))
+#define __constant_htonl(x) ((__force __be32)___constant_swab32((x)))
+#define __constant_ntohl(x) ___constant_swab32((__force __be32)(x))
+#define __constant_htons(x) ((__force __be16)___constant_swab16((x)))
+#define __constant_ntohs(x) ___constant_swab16((__force __be16)(x))
 #define __constant_cpu_to_le64(x) ((__force __le64)(__u64)(x))
 #define __constant_le64_to_cpu(x) ((__force __u64)(__le64)(x))
 #define __constant_cpu_to_le32(x) ((__force __le32)(__u32)(x))