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From: Olaf Hering <olaf@aepfle.de>
To: xen-devel@lists.xensource.com
Subject: [PATCH 5 of 7] xenpaging: catch xc_mem_paging_resume errors
Date: Thu, 31 Mar 2011 19:36:22 +0200	[thread overview]
Message-ID: <bbf495e57371ae102d4e.1301592982@localhost> (raw)
In-Reply-To: <patchbomb.1301592977@localhost>

# HG changeset patch
# User Olaf Hering <olaf@aepfle.de>
# Date 1301591618 -7200
# Node ID bbf495e57371ae102d4e2fbb8ce1a5c54a7357c4
# Parent  8825c216096a80e5590ce075da273eeb06c1e7aa
xenpaging: catch xc_mem_paging_resume errors

In the unlikely event that xc_mem_paging_resume() fails, do not overwrite the
error with the return value from xc_evtchn_notify()

Signed-off-by: Olaf Hering <olaf@aepfle.de>

diff -r 8825c216096a -r bbf495e57371 tools/xenpaging/xenpaging.c
--- a/tools/xenpaging/xenpaging.c	Thu Mar 31 19:13:19 2011 +0200
+++ b/tools/xenpaging/xenpaging.c	Thu Mar 31 19:13:38 2011 +0200
@@ -405,8 +405,9 @@
     /* Tell Xen page is ready */
     ret = xc_mem_paging_resume(paging->xc_handle, paging->mem_event.domain_id,
                                rsp->gfn);
-    ret = xc_evtchn_notify(paging->mem_event.xce_handle,
-                           paging->mem_event.port);
+    if ( ret == 0 ) 
+        ret = xc_evtchn_notify(paging->mem_event.xce_handle,
+                               paging->mem_event.port);
 
  out:
     return ret;

  parent reply	other threads:[~2011-03-31 17:36 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-31 17:36 [PATCH 0 of 7] xenpaging updates Olaf Hering
2011-03-31 17:36 ` [PATCH 1 of 7] xenpaging: correct dropping pages to avoid full ring buffer Olaf Hering
2011-03-31 17:36 ` [PATCH 2 of 7] xenpaging: do not bounce p2mt to xenpaging Olaf Hering
2011-03-31 17:36 ` [PATCH 3 of 7] xenpaging: remove srand call Olaf Hering
2011-03-31 17:48   ` Patrick Colp
2011-03-31 18:17     ` Olaf Hering
2011-03-31 18:37       ` Patrick Colp
2011-04-01  8:20         ` Olaf Hering
2011-04-02 19:29           ` Patrick Colp
2011-03-31 17:36 ` [PATCH 4 of 7] xenpaging: remove return values from functions that can not fail Olaf Hering
2011-03-31 17:36 ` Olaf Hering [this message]
2011-03-31 17:36 ` [PATCH 6 of 7] xenpaging: pass integer to xenpaging_populate_page Olaf Hering
2011-03-31 17:36 ` [PATCH 7 of 7] xenpaging: start xenpaging via config option Olaf Hering
2011-04-01 10:24 ` [PATCH 0 of 7] xenpaging updates Keir Fraser

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