ksmbd: remove macros in transport_ipc.c

Remove macros in transport_ipc.c
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/ksmbd/transport_ipc.c

@@ -38,8 +38,6 @@ static DEFINE_IDA(ipc_ida);
 
 static unsigned int ksmbd_tools_pid;
 
-#define KSMBD_IPC_MSG_HANDLE(m)	(*(unsigned int *)m)
-
 static bool ksmbd_ipc_validate_version(struct genl_info *m)
 {
 	if (m->genlhdr->version != KSMBD_GENL_VERSION) {
@@ -56,12 +54,9 @@ static bool ksmbd_ipc_validate_version(struct genl_info *m)
 struct ksmbd_ipc_msg {
 	unsigned int		type;
 	unsigned int		sz;
-	unsigned char		____payload[0];
+	unsigned char		payload[];
 };
 
-#define KSMBD_IPC_MSG_PAYLOAD(m)					\
-	((void *)(((struct ksmbd_ipc_msg *)(m))->____payload))
-
 struct ipc_msg_table_entry {
 	unsigned int		handle;
 	unsigned int		type;
@@ -251,7 +246,7 @@ static void ipc_msg_handle_free(int handle)
 
 static int handle_response(int type, void *payload, size_t sz)
 {
-	int handle = KSMBD_IPC_MSG_HANDLE(payload);
+	unsigned int handle = *(unsigned int *)payload;
 	struct ipc_msg_table_entry *entry;
 	int ret = 0;
 
@@ -432,7 +427,7 @@ static int ipc_msg_send(struct ksmbd_ipc_msg *msg)
 	if (!nlh)
 		goto out;
 
-	ret = nla_put(skb, msg->type, msg->sz, KSMBD_IPC_MSG_PAYLOAD(msg));
+	ret = nla_put(skb, msg->type, msg->sz, msg->payload);
 	if (ret) {
 		genlmsg_cancel(skb, nlh);
 		goto out;
@@ -509,7 +504,7 @@ struct ksmbd_login_response *ksmbd_ipc_login_request(const char *account)
 		return NULL;
 
 	msg->type = KSMBD_EVENT_LOGIN_REQUEST;
-	req = KSMBD_IPC_MSG_PAYLOAD(msg);
+	req = (struct ksmbd_login_request *)msg->payload;
 	req->handle = ksmbd_acquire_id(&ipc_ida);
 	strscpy(req->account, account, KSMBD_REQ_MAX_ACCOUNT_NAME_SZ);
 
@@ -532,7 +527,7 @@ ksmbd_ipc_spnego_authen_request(const char *spnego_blob, int blob_len)
 		return NULL;
 
 	msg->type = KSMBD_EVENT_SPNEGO_AUTHEN_REQUEST;
-	req = KSMBD_IPC_MSG_PAYLOAD(msg);
+	req = (struct ksmbd_spnego_authen_request *)msg->payload;
 	req->handle = ksmbd_acquire_id(&ipc_ida);
 	req->spnego_blob_len = blob_len;
 	memcpy(req->spnego_blob, spnego_blob, blob_len);
@@ -564,7 +559,7 @@ ksmbd_ipc_tree_connect_request(struct ksmbd_session *sess,
 		return NULL;
 
 	msg->type = KSMBD_EVENT_TREE_CONNECT_REQUEST;
-	req = KSMBD_IPC_MSG_PAYLOAD(msg);
+	req = (struct ksmbd_tree_connect_request *)msg->payload;
 
 	req->handle = ksmbd_acquire_id(&ipc_ida);
 	req->account_flags = sess->user->flags;
@@ -597,7 +592,7 @@ int ksmbd_ipc_tree_disconnect_request(unsigned long long session_id,
 		return -ENOMEM;
 
 	msg->type = KSMBD_EVENT_TREE_DISCONNECT_REQUEST;
-	req = KSMBD_IPC_MSG_PAYLOAD(msg);
+	req = (struct ksmbd_tree_disconnect_request *)msg->payload;
 	req->session_id = session_id;
 	req->connect_id = connect_id;
 
@@ -620,7 +615,7 @@ int ksmbd_ipc_logout_request(const char *account)
 		return -ENOMEM;
 
 	msg->type = KSMBD_EVENT_LOGOUT_REQUEST;
-	req = KSMBD_IPC_MSG_PAYLOAD(msg);
+	req = (struct ksmbd_logout_request *)msg->payload;
 	strscpy(req->account, account, KSMBD_REQ_MAX_ACCOUNT_NAME_SZ);
 
 	ret = ipc_msg_send(msg);
@@ -643,7 +638,7 @@ ksmbd_ipc_share_config_request(const char *name)
 		return NULL;
 
 	msg->type = KSMBD_EVENT_SHARE_CONFIG_REQUEST;
-	req = KSMBD_IPC_MSG_PAYLOAD(msg);
+	req = (struct ksmbd_share_config_request *)msg->payload;
 	req->handle = ksmbd_acquire_id(&ipc_ida);
 	strscpy(req->share_name, name, KSMBD_REQ_MAX_SHARE_NAME);
 
@@ -664,7 +659,7 @@ struct ksmbd_rpc_command *ksmbd_rpc_open(struct ksmbd_session *sess, int handle)
 		return NULL;
 
 	msg->type = KSMBD_EVENT_RPC_REQUEST;
-	req = KSMBD_IPC_MSG_PAYLOAD(msg);
+	req = (struct ksmbd_rpc_command *)msg->payload;
 	req->handle = handle;
 	req->flags = ksmbd_session_rpc_method(sess, handle);
 	req->flags |= KSMBD_RPC_OPEN_METHOD;
@@ -686,7 +681,7 @@ struct ksmbd_rpc_command *ksmbd_rpc_close(struct ksmbd_session *sess, int handle
 		return NULL;
 
 	msg->type = KSMBD_EVENT_RPC_REQUEST;
-	req = KSMBD_IPC_MSG_PAYLOAD(msg);
+	req = (struct ksmbd_rpc_command *)msg->payload;
 	req->handle = handle;
 	req->flags = ksmbd_session_rpc_method(sess, handle);
 	req->flags |= KSMBD_RPC_CLOSE_METHOD;
@@ -709,7 +704,7 @@ struct ksmbd_rpc_command *ksmbd_rpc_write(struct ksmbd_session *sess, int handle
 		return NULL;
 
 	msg->type = KSMBD_EVENT_RPC_REQUEST;
-	req = KSMBD_IPC_MSG_PAYLOAD(msg);
+	req = (struct ksmbd_rpc_command *)msg->payload;
 	req->handle = handle;
 	req->flags = ksmbd_session_rpc_method(sess, handle);
 	req->flags |= rpc_context_flags(sess);
@@ -733,7 +728,7 @@ struct ksmbd_rpc_command *ksmbd_rpc_read(struct ksmbd_session *sess, int handle)
 		return NULL;
 
 	msg->type = KSMBD_EVENT_RPC_REQUEST;
-	req = KSMBD_IPC_MSG_PAYLOAD(msg);
+	req = (struct ksmbd_rpc_command *)msg->payload;
 	req->handle = handle;
 	req->flags = ksmbd_session_rpc_method(sess, handle);
 	req->flags |= rpc_context_flags(sess);
@@ -757,7 +752,7 @@ struct ksmbd_rpc_command *ksmbd_rpc_ioctl(struct ksmbd_session *sess, int handle
 		return NULL;
 
 	msg->type = KSMBD_EVENT_RPC_REQUEST;
-	req = KSMBD_IPC_MSG_PAYLOAD(msg);
+	req = (struct ksmbd_rpc_command *)req->payload;
 	req->handle = handle;
 	req->flags = ksmbd_session_rpc_method(sess, handle);
 	req->flags |= rpc_context_flags(sess);
@@ -782,7 +777,7 @@ struct ksmbd_rpc_command *ksmbd_rpc_rap(struct ksmbd_session *sess, void *payloa
 		return NULL;
 
 	msg->type = KSMBD_EVENT_RPC_REQUEST;
-	req = KSMBD_IPC_MSG_PAYLOAD(msg);
+	req = (struct ksmbd_rpc_command *)req->payload;
 	req->handle = ksmbd_acquire_id(&ipc_ida);
 	req->flags = rpc_context_flags(sess);
 	req->flags |= KSMBD_RPC_RAP_METHOD;