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[2/2] migration: add error handling to migrate_fd_put_notify().

Message ID 1298386884-17514-3-git-send-email-tamura.yoshiaki@lab.ntt.co.jp
State New
Headers show

Commit Message

Yoshiaki Tamura Feb. 22, 2011, 3:01 p.m. UTC 
Although migrate_fd_put_buffer() sets MIG_STATE_ERROR if it failed,
since migrate_fd_put_notify() isn't checking error of underlying
QEMUFile, those resources are kept open.  This patch checks it and
calls migrate_fd_error() in case of error.

Signed-off-by: Yoshiaki Tamura <tamura.yoshiaki@lab.ntt.co.jp>
---
 migration.c |    9 +++------
 1 files changed, 3 insertions(+), 6 deletions(-)
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Patch

diff --git a/migration.c b/migration.c
index af3a1f2..14a125f 100644
--- a/migration.c
+++ b/migration.c
@@ -313,6 +313,9 @@  void migrate_fd_put_notify(void *opaque)
 
     qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
     qemu_file_put_notify(s->file);
+    if (qemu_file_has_error(s->file)) {
+        migrate_fd_error(s);
+    }
 }
 
 ssize_t migrate_fd_put_buffer(void *opaque, const void *data, size_t size)
@@ -329,12 +332,6 @@  ssize_t migrate_fd_put_buffer(void *opaque, const void *data, size_t size)
 
     if (ret == -EAGAIN) {
         qemu_set_fd_handler2(s->fd, NULL, NULL, migrate_fd_put_notify, s);
-    } else if (ret < 0) {
-        if (s->mon) {
-            monitor_resume(s->mon);
-        }
-        s->state = MIG_STATE_ERROR;
-        notifier_list_notify(&migration_state_notifiers);
     }
 
     return ret;