ram migration: Stop loading on error

Besides catching real errors, this also allows to interrrupt the qemu
process during restore.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/vl.c b/vl.c
index ba5bd3d..62427b8 100644 (file)
--- a/vl.c
+++ b/vl.c
@@ -3016,8 +3016,12 @@ static int ram_load(QEMUFile *f, void *opaque, int version_id)
                 madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED);
             }
 #endif
-        } else if (flags & RAM_SAVE_FLAG_PAGE)
+        } else if (flags & RAM_SAVE_FLAG_PAGE) {
             qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE);
+        }
+        if (qemu_file_has_error(f)) {
+            return -EIO;
+        }
     } while (!(flags & RAM_SAVE_FLAG_EOS));
 
     return 0;