commit 0457d07342b175e3d2f0835bef1a67cf75dbc9d6
author Dr. David Alan Gilbert <dgilbert@redhat.com> Wed Jan 21 10:14:49 2015 +0000
committer Juan Quintela <quintela@redhat.com> Thu Feb 05 17:16:14 2015 +0100
tree 024913404fe84ea74e9cdc7a4deac04d7e0ecad8
parent a5df2a0222f424d86d0fd0b50e909af892da7eea

Print errors in some of the early migration failure cases.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>

savevm.c

diff --git a/savevm.c b/savevm.c
index 1cc0f02..98895fe 100644
--- a/savevm.c
+++ b/savevm.c
@@ -883,16 +883,20 @@
     QLIST_HEAD(, LoadStateEntry) loadvm_handlers =
         QLIST_HEAD_INITIALIZER(loadvm_handlers);
     LoadStateEntry *le, *new_le;
+    Error *local_err = NULL;
     uint8_t section_type;
     unsigned int v;
     int ret;
 
-    if (qemu_savevm_state_blocked(NULL)) {
+    if (qemu_savevm_state_blocked(&local_err)) {
+        error_report("%s", error_get_pretty(local_err));
+        error_free(local_err);
         return -EINVAL;
     }
 
     v = qemu_get_be32(f);
     if (v != QEMU_VM_FILE_MAGIC) {
+        error_report("Not a migration stream");
         return -EINVAL;
     }
 
@@ -902,6 +906,7 @@
         return -ENOTSUP;
     }
     if (v != QEMU_VM_FILE_VERSION) {
+        error_report("Unsupported migration stream version");
         return -ENOTSUP;
     }