From: Philip Homburg <philip@cs.vu.nl>
Date: Thu, 13 Jul 2006 14:46:53 +0000 (+0000)
Subject: Do not report non-safe sys_sdevio calls when the address is 'SELF'
X-Git-Tag: v3.1.3~252
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/addsub.png?a=commitdiff_plain;h=d40007667c3ab787e9027e07c8548b660ad27ac2;p=minix.git

Do not report non-safe sys_sdevio calls when the address is 'SELF'
---

diff --git a/kernel/system/do_sdevio.c b/kernel/system/do_sdevio.c
index 658d81b0e..4d8c9d3d3 100644
--- a/kernel/system/do_sdevio.c
+++ b/kernel/system/do_sdevio.c
@@ -28,13 +28,16 @@ register message *m_ptr;	/* pointer to request message */
   phys_bytes phys_buf;
   int req_type, req_dir;
 
-  if ((m_ptr->DIO_REQUEST & _DIO_SAFEMASK) != _DIO_SAFE)
+  /* Allow safe copies and accesses to SELF */
+  if ((m_ptr->DIO_REQUEST & _DIO_SAFEMASK) != _DIO_SAFE &&
+	proc_nr_e != SELF)
   {
 	static int first= 1;
 	if (first)
 	{
 		first= 0;
-		kprintf("do_sdevio: for %d\n", m_ptr->m_source);
+		kprintf("do_sdevio: for %d, req %d\n",
+			m_ptr->m_source, m_ptr->DIO_REQUEST);
 	}
   }