160 			  struct ecryptfs_msg_ctx *msg_ctx, u8 msg_type,  in ecryptfs_send_miscdev()  argument
173 	mutex_lock(&msg_ctx->mux);  in ecryptfs_send_miscdev()
174 	msg_ctx->msg = msg;  in ecryptfs_send_miscdev()
175 	msg_ctx->msg->index = msg_ctx->index;  in ecryptfs_send_miscdev()
176 	msg_ctx->msg->data_len = data_size;  in ecryptfs_send_miscdev()
177 	msg_ctx->type = msg_type;  in ecryptfs_send_miscdev()
178 	memcpy(msg_ctx->msg->data, data, data_size);  in ecryptfs_send_miscdev()
179 	msg_ctx->msg_size = (sizeof(*msg_ctx->msg) + data_size);  in ecryptfs_send_miscdev()
180 	list_add_tail(&msg_ctx->daemon_out_list, &daemon->msg_ctx_out_queue);  in ecryptfs_send_miscdev()
181 	mutex_unlock(&msg_ctx->mux);  in ecryptfs_send_miscdev()
231 	struct ecryptfs_msg_ctx *msg_ctx;  in ecryptfs_miscdev_read()  local
272 	msg_ctx = list_first_entry(&daemon->msg_ctx_out_queue,  in ecryptfs_miscdev_read()
274 	BUG_ON(!msg_ctx);  in ecryptfs_miscdev_read()
275 	mutex_lock(&msg_ctx->mux);  in ecryptfs_miscdev_read()
276 	if (msg_ctx->msg) {  in ecryptfs_miscdev_read()
278 						  msg_ctx->msg_size,  in ecryptfs_miscdev_read()
288 		msg_ctx->msg_size = 0;  in ecryptfs_miscdev_read()
291 			+ msg_ctx->msg_size);  in ecryptfs_miscdev_read()
300 	if (put_user(msg_ctx->type, buf))  in ecryptfs_miscdev_read()
302 	if (put_user(cpu_to_be32(msg_ctx->counter),  in ecryptfs_miscdev_read()
306 	if (msg_ctx->msg) {  in ecryptfs_miscdev_read()
310 		if (copy_to_user(&buf[i], msg_ctx->msg, msg_ctx->msg_size))  in ecryptfs_miscdev_read()
312 		i += msg_ctx->msg_size;  in ecryptfs_miscdev_read()
315 	list_del(&msg_ctx->daemon_out_list);  in ecryptfs_miscdev_read()
316 	kfree(msg_ctx->msg);  in ecryptfs_miscdev_read()
317 	msg_ctx->msg = NULL;  in ecryptfs_miscdev_read()
320 	if (msg_ctx->type != ECRYPTFS_MSG_REQUEST)  in ecryptfs_miscdev_read()
321 		ecryptfs_msg_ctx_alloc_to_free(msg_ctx);  in ecryptfs_miscdev_read()
323 	mutex_unlock(&msg_ctx->mux);  in ecryptfs_miscdev_read()