[Xen-devel] [PATCH v4 4/5] tools/libxc: error handling for the postcopy() callback

[Wen Congyang <wency@xxxxxxxxxxxxxx>]

Signed-off-by: Wen Congyang <wency@xxxxxxxxxxxxxx>
Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 tools/libxc/xc_sr_save.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/libxc/xc_sr_save.c b/tools/libxc/xc_sr_save.c
index e532168..e4ba560 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 )
-- 
2.5.0




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