If the destination side fails at migration_ioc_process_incoming()
before starting the coroutine, it will report the error but QEMU will
not exit.

Set the migration state to FAILED and exit the process if
exit-on-error allows.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2633
Reported-by: Daniel P. Berrangé <berra...@redhat.com>
Reviewed-by: Peter Xu <pet...@redhat.com>
Signed-off-by: Fabiano Rosas <faro...@suse.de>
---
 migration/channel.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/migration/channel.c b/migration/channel.c
index 24a91ef911..a547b1fbfe 100644
--- a/migration/channel.c
+++ b/migration/channel.c
@@ -33,6 +33,7 @@
 void migration_channel_process_incoming(QIOChannel *ioc)
 {
     MigrationState *s = migrate_get_current();
+    MigrationIncomingState *mis = migration_incoming_get_current();
     Error *local_err = NULL;
 
     trace_migration_set_incoming_channel(
@@ -47,6 +48,10 @@ void migration_channel_process_incoming(QIOChannel *ioc)
 
     if (local_err) {
         error_report_err(local_err);
+        migrate_set_state(&s->state, s->state, MIGRATION_STATUS_FAILED);
+        if (mis->exit_on_error) {
+            exit(EXIT_FAILURE);
+        }
     }
 }
 
-- 
2.35.3


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