From 1270cfe3b306b01417c1ead19218b28b2f405d52 Mon Sep 17 00:00:00 2001
From: Bahadir Balban <bbalban@b-labs.co.uk>
Date: Tue, 22 Apr 2008 01:41:18 +0100
Subject: [PATCH] open file descriptor references to vm files weren't properly
 initialised.

This fixes the issue. sys_read/write yet to be inspected.
---
 tasks/mm0/src/file.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tasks/mm0/src/file.c b/tasks/mm0/src/file.c
index d101a4d..638f680 100644
--- a/tasks/mm0/src/file.c
+++ b/tasks/mm0/src/file.c
@@ -94,10 +94,14 @@ int vfs_receive_sys_open(l4id_t sender, l4id_t opener, int fd,
 		return 0;
 	}
 
-	/* Initialise and add it to global list */
+	/* Initialise and add a reference to it from the task */
 	vm_file_to_vnum(vmfile) = vnum;
 	vmfile->length = length;
 	vmfile->vm_obj.pager = &file_pager;
+	t->fd[fd].vmfile = vmfile;
+	vmfile->vm_obj.refcnt++;
+
+	/* Add to global list */
 	list_add(&vmfile->vm_obj.list, &vm_file_list);
 
 	l4_ipc_return(0);