From 7cdcca725b6bfc96634c15e3f74ae4b148cf9c40 Mon Sep 17 00:00:00 2001
From: Ross Lagerwall <ross.lagerwall@citrix.com>
Date: Wed, 11 Oct 2017 16:52:03 +0100
Subject: [PATCH] xen: Log errno rather than return value

xen_modified_memory() sets errno to communicate what went wrong so log
this rather than the return value which is not interesting.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
---
 hw/i386/xen/xen-hvm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/i386/xen/xen-hvm.c b/hw/i386/xen/xen-hvm.c
index d9ccd5d0d6..8028bed6fd 100644
--- a/hw/i386/xen/xen-hvm.c
+++ b/hw/i386/xen/xen-hvm.c
@@ -1446,7 +1446,7 @@ void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length)
         if (rc) {
             fprintf(stderr,
                     "%s failed for "RAM_ADDR_FMT" ("RAM_ADDR_FMT"): %i, %s\n",
-                    __func__, start, nb_pages, rc, strerror(-rc));
+                    __func__, start, nb_pages, errno, strerror(errno));
         }
     }
 }