From: "Dr. David Alan Gilbert" <dgilb...@redhat.com>
VMSTATE_UNUSED_VARRAY_UINT32 is used to skip a chunk of the stream
that's an n-element array; note the array size and the dynamic value
read never get multiplied so there's no overflow risk.
Signed-off-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
---
include/migration/vmstate.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
index 6233fe2..cc66910 100644
--- a/include/migration/vmstate.h
+++ b/include/migration/vmstate.h
@@ -660,6 +660,17 @@ extern const VMStateInfo vmstate_info_qtailq;
.flags = VMS_BUFFER, \
}
+/* Discard size * field_num bytes, where field_num is a uint32 member */
+#define VMSTATE_UNUSED_VARRAY_UINT32(_state, _test, _version, _field_num,
_size) {\
+ .name = "unused", \
+ .field_exists = (_test), \
+ .num_offset = vmstate_offset_value(_state, _field_num, uint32_t),\
+ .version_id = (_version), \
+ .size = (_size), \
+ .info = &vmstate_info_unused_buffer, \
+ .flags = VMS_VARRAY_UINT32 | VMS_BUFFER, \
+}
+
/* _field_size should be a int32_t field in the _state struct giving the
* size of the bitmap _field in bits.
*/
--
2.9.3
