From 85658c815726617d90b11e7063588f4eaa28d895 Mon Sep 17 00:00:00 2001
From: Thomas Schoebel-Theuer <tst@schoebel-theuer.de>
Date: Sat, 6 Dec 2014 08:12:02 +0100
Subject: [PATCH] net: speakyness add dump_meta()

---
 kernel/mars_net.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/kernel/mars_net.c b/kernel/mars_net.c
index f5df226e..2fb3a741 100644
--- a/kernel/mars_net.c
+++ b/kernel/mars_net.c
@@ -646,6 +646,22 @@ EXPORT_SYMBOL_GPL(mars_recv_raw);
 /* Mid-level field data exchange
  */
 
+static
+void dump_meta(const struct meta *meta)
+{
+	int count = 0;
+	for (; meta->field_name != NULL; meta++) {
+		MARS_ERR("%2d %4d %4d %p '%s'\n",
+			 meta->field_type,
+			 meta->field_size,
+			 meta->field_offset,
+			 meta->field_ref,
+			 meta->field_name);
+		count++;
+	}
+	MARS_ERR("-------- %d fields.\n", count);
+}
+
 static
 int _add_fields(struct mars_desc_item *mi, const struct meta *meta, int offset, const char *prefix, int maxlen)
 {
@@ -1040,6 +1056,8 @@ int desc_recv_struct(struct mars_socket *msock, void *data, const struct meta *m
 		goto err;
 	} else if (unlikely(mc->cache_recver_cookie != (u64)meta)) {
 		MARS_ERR("#%d protocol error %p != %p\n", msock->s_debug_nr, meta, (void*)mc->cache_recver_cookie);
+		dump_meta((void*)mc->cache_recver_cookie);
+		dump_meta(meta);
 		status = -EPROTO;
 		goto err;
 	}