smb: move SMB1_PROTO_NUMBER to common/smbglob.h

Replace the constant of client with SMB1_PROTO_NUMBER, then move the
macro definition from server/smb_common.h to common/smbglob.h.

Co-developed-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: ZhangGuoDong <zhangguodong@kylinos.cn>
Suggested-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

Author: ZhangGuoDong

fs/smb/client/misc.c

@@ -318,7 +318,7 @@ static int
 check_smb_hdr(struct smb_hdr *smb)
 {
 	/* does it have the right SMB "signature" ? */
-	if (*(__le32 *) smb->Protocol != cpu_to_le32(0x424d53ff)) {
+	if (*(__le32 *) smb->Protocol != SMB1_PROTO_NUMBER) {
 		cifs_dbg(VFS, "Bad protocol string signature header 0x%x\n",
 			 *(unsigned int *)smb->Protocol);
 		return 1;

fs/smb/common/smbglob.h

@@ -9,6 +9,8 @@
 #ifndef _COMMON_SMB_GLOB_H
 #define _COMMON_SMB_GLOB_H
 
+#define SMB1_PROTO_NUMBER		cpu_to_le32(0x424d53ff)
+
 struct smb_version_values {
 	char		*version_string;
 	__u16		protocol_id;

fs/smb/server/smb_common.h

@@ -151,7 +151,6 @@
 		FILE_EXECUTE | FILE_DELETE_CHILD | \
 		FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES)
 
-#define SMB1_PROTO_NUMBER		cpu_to_le32(0x424d53ff)
 #define SMB_COM_NEGOTIATE		0x72
 #define SMB1_CLIENT_GUID_SIZE		(16)