From 84308ac82f8328d01e95daba091430746d474eca Mon Sep 17 00:00:00 2001
From: Oren Kladnitsky <orenk@dev.mellanox.co.il>
Date: Mon, 7 Oct 2013 13:25:54 +0300
Subject: [PATCH] On mclose a pci conf device, add a read from a safe-to-read
 address This prevents side effects on a full pci config dump through sysfs or
 other method.

---
 include/mtcr_ul/mtcr.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/mtcr_ul/mtcr.h b/include/mtcr_ul/mtcr.h
index aceaa50..d9e342e 100644
--- a/include/mtcr_ul/mtcr.h
+++ b/include/mtcr_ul/mtcr.h
@@ -1076,10 +1076,13 @@ int mclose(mfile *mf)
 ;
 #else
 {
+  unsigned int word;
 #if CONFIG_ENABLE_MMAP
   if (mf->ptr)
     munmap(mf->ptr,MTCR_MAP_SIZE);
+  else
 #endif
+    mread4(mf, 0xf0014, &word);
   close(mf->fd);
   free(mf);
   return 0;
-- 
2.46.0