From: Juan Quintela <quintela@redhat.com>
Date: Mon, 14 Jan 2013 12:36:28 +0000 (+0100)
Subject: qemu-file: Only set last_error if it is not already set
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=afe419319de1e5e98b131368ba14f85f98ab3a76;p=qmiga%2Fqemu.git

qemu-file: Only set last_error if it is not already set

Signed-off-by: Juan Quintela <quintela@redhat.com>

Reviewed-by: Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
---

diff --git a/savevm.c b/savevm.c
index 4e970ca0db..611e997d42 100644
--- a/savevm.c
+++ b/savevm.c
@@ -419,7 +419,9 @@ int qemu_file_get_error(QEMUFile *f)
 
 static void qemu_file_set_error(QEMUFile *f, int ret)
 {
-    f->last_error = ret;
+    if (f->last_error == 0) {
+        f->last_error = ret;
+    }
 }
 
 /** Flushes QEMUFile buffer