From: Wen Congyang <wency@cn.fujitsu.com>
Date: Tue, 19 Jan 2016 07:17:41 +0000 (+0800)
Subject: tools/libxc: error handling for the postcopy() callback
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~1911
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22%22/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22%22?a=commitdiff_plain;h=8bb1c7abdaa2a5654a44a76da60d5bd233026919;p=xen.git

tools/libxc: error handling for the postcopy() callback

Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
---

diff --git a/tools/libxc/xc_sr_save.c b/tools/libxc/xc_sr_save.c
index e532168181..e4ba56048a 100644
--- a/tools/libxc/xc_sr_save.c
+++ b/tools/libxc/xc_sr_save.c
@@ -791,7 +791,9 @@ static int save(struct xc_sr_context *ctx, uint16_t guest_type)
             if ( rc )
                 goto err;
 
-            ctx->save.callbacks->postcopy(ctx->save.callbacks->data);
+            rc = ctx->save.callbacks->postcopy(ctx->save.callbacks->data);
+            if ( rc <= 0 )
+                goto err;
 
             rc = ctx->save.callbacks->checkpoint(ctx->save.callbacks->data);
             if ( rc <= 0 )