From: kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk>
Date: Thu, 27 Apr 2006 08:47:05 +0000 (+0100)
Subject: Check a write() return value in xenbaked.
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~16108^2~74
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/success//%22http:/www.example.com/cgi/success/?a=commitdiff_plain;h=067abcc94959473c9b2e6f6085bc225481f6d238;p=xen.git

Check a write() return value in xenbaked.

From: Jeremy Katz

Signed-off-by: Keir Fraser <keir@xensource.com>
---

diff --git a/tools/xenmon/xenbaked.c b/tools/xenmon/xenbaked.c
index 876be1d68e..41db7def3a 100644
--- a/tools/xenmon/xenbaked.c
+++ b/tools/xenmon/xenbaked.c
@@ -677,7 +677,10 @@ void alloc_qos_data(int ncpu)
     for (n=0; n<ncpu; n++) {
 
       for (i=0; i<sizeof(_new_qos_data); i=i+pgsize)
-        write(qos_fd, dummy, pgsize);
+          if ((write(qos_fd, dummy, pgsize)) != pgsize) {
+              PERROR(SHARED_MEM_FILE);
+              exit(2);
+          }
 
       new_qos = (_new_qos_data *) mmap(0, sizeof(_new_qos_data), PROT_READ|PROT_WRITE, 
 				       MAP_SHARED, qos_fd, off);