ksmbd: remove and replace macros with inline functions in smb_common.h

Remove and replace macros with inline functions
in smb_common.h
Reviewed-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NHyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: NNamjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: NSteve French <stfrench@microsoft.com>

fs/ksmbd/mgmt/user_session.c

@@ -154,11 +154,9 @@ void ksmbd_session_destroy(struct ksmbd_session *sess)
 
 	list_del(&sess->sessions_entry);
 
-	if (IS_SMB2(sess->conn)) {
-		down_write(&sessions_table_lock);
-		hash_del(&sess->hlist);
-		up_write(&sessions_table_lock);
-	}
+	down_write(&sessions_table_lock);
+	hash_del(&sess->hlist);
+	up_write(&sessions_table_lock);
 
 	if (sess->user)
 		ksmbd_free_user(sess->user);

fs/ksmbd/oplock.c

@@ -631,7 +631,8 @@ static void __smb2_oplock_break_noti(struct work_struct *wk)
 
 	rsp_hdr = work->response_buf;
 	memset(rsp_hdr, 0, sizeof(struct smb2_hdr) + 2);
-	rsp_hdr->smb2_buf_length = cpu_to_be32(HEADER_SIZE_NO_BUF_LEN(conn));
+	rsp_hdr->smb2_buf_length =
+		cpu_to_be32(smb2_hdr_size_no_buflen(conn->vals));
 	rsp_hdr->ProtocolId = SMB2_PROTO_NUMBER;
 	rsp_hdr->StructureSize = SMB2_HEADER_STRUCTURE_SIZE;
 	rsp_hdr->CreditRequest = cpu_to_le16(0);
@@ -737,7 +738,8 @@ static void __smb2_lease_break_noti(struct work_struct *wk)
 
 	rsp_hdr = work->response_buf;
 	memset(rsp_hdr, 0, sizeof(struct smb2_hdr) + 2);
-	rsp_hdr->smb2_buf_length = cpu_to_be32(HEADER_SIZE_NO_BUF_LEN(conn));
+	rsp_hdr->smb2_buf_length =
+		cpu_to_be32(smb2_hdr_size_no_buflen(conn->vals));
 	rsp_hdr->ProtocolId = SMB2_PROTO_NUMBER;
 	rsp_hdr->StructureSize = SMB2_HEADER_STRUCTURE_SIZE;
 	rsp_hdr->CreditRequest = cpu_to_le16(0);

fs/ksmbd/smb2pdu.c

@@ -243,7 +243,7 @@ int init_smb2_neg_rsp(struct ksmbd_work *work)
 	memset(rsp_hdr, 0, sizeof(struct smb2_hdr) + 2);
 
 	rsp_hdr->smb2_buf_length =
-		cpu_to_be32(HEADER_SIZE_NO_BUF_LEN(conn));
+		cpu_to_be32(smb2_hdr_size_no_buflen(conn->vals));
 
 	rsp_hdr->ProtocolId = SMB2_PROTO_NUMBER;
 	rsp_hdr->StructureSize = SMB2_HEADER_STRUCTURE_SIZE;
@@ -497,7 +497,8 @@ int init_smb2_rsp_hdr(struct ksmbd_work *work)
 	struct ksmbd_conn *conn = work->conn;
 
 	memset(rsp_hdr, 0, sizeof(struct smb2_hdr) + 2);
-	rsp_hdr->smb2_buf_length = cpu_to_be32(HEADER_SIZE_NO_BUF_LEN(conn));
+	rsp_hdr->smb2_buf_length =
+		cpu_to_be32(smb2_hdr_size_no_buflen(conn->vals));
 	rsp_hdr->ProtocolId = rcv_hdr->ProtocolId;
 	rsp_hdr->StructureSize = SMB2_HEADER_STRUCTURE_SIZE;
 	rsp_hdr->Command = rcv_hdr->Command;

fs/ksmbd/smb_common.h

@@ -50,12 +50,6 @@
 
 extern struct list_head global_lock_list;
 
-#define IS_SMB2(x)		((x)->vals->protocol_id != SMB10_PROT_ID)
-
-#define HEADER_SIZE(conn)		((conn)->vals->header_size)
-#define HEADER_SIZE_NO_BUF_LEN(conn)	((conn)->vals->header_size - 4)
-#define MAX_HEADER_SIZE(conn)		((conn)->vals->max_header_size)
-
 /* RFC 1002 session packet types */
 #define RFC1002_SESSION_MESSAGE			0x00
 #define RFC1002_SESSION_REQUEST			0x81
@@ -490,6 +484,12 @@ struct smb_version_cmds {
 	int (*proc)(struct ksmbd_work *swork);
 };
 
+static inline size_t
+smb2_hdr_size_no_buflen(struct smb_version_values *vals)
+{
+	return vals->header_size - 4;
+}
+
 int ksmbd_min_protocol(void);
 int ksmbd_max_protocol(void);