cifs: Fix endian types in struct rfc1002_session_packet

All fields in struct rfc1002_session_packet are in big endian. This is
because all NetBIOS packet headers are in big endian as opposite of SMB
structures which are in little endian.

Therefore use __be16 and __be32 types instead of __u16 and __u32 in
struct rfc1002_session_packet.

Reported-by: kernel test robot <[email protected]>
Signed-off-by: Pali Rohár <[email protected]>
Signed-off-by: Steve French <[email protected]>

Author: pali

fs/smb/client/rfc1002pdu.h

@@ -24,7 +24,7 @@
 struct rfc1002_session_packet {
 	__u8	type;
 	__u8	flags;
-	__u16	length;
+	__be16	length;
 	union {
 		struct {
 			__u8 called_len;
@@ -35,8 +35,8 @@ struct rfc1002_session_packet {
 			__u8 scope2; /* null */
 		} __attribute__((packed)) session_req;
 		struct {
-			__u32 retarget_ip_addr;
-			__u16 port;
+			__be32 retarget_ip_addr;
+			__be16 port;
 		} __attribute__((packed)) retarget_resp;
 		__u8 neg_ses_resp_error_code;
 		/* POSITIVE_SESSION_RESPONSE packet does not include trailer.