[Qemu-trivial] [PATCH] dump: let dump_error printf the error reason

[zhanghailiang]

The second parameter of dump_error is unused, but one purpose of
using this function is to report the error info.

Signed-off-by: zhanghailiang <address@hidden>
---
 dump.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dump.c b/dump.c
index 71d3e94..0f44e9d 100644
--- a/dump.c
+++ b/dump.c
@@ -83,6 +83,9 @@ static int dump_cleanup(DumpState *s)
 
 static void dump_error(DumpState *s, const char *reason)
 {
+    if (reason) {
+        error_report("%s", reason);
+    }
     dump_cleanup(s);
 }
 
-- 
1.7.12.4