static inline int
attr_to_offset(struct blob_buf *buf, struct blob_attr *attr)
{
- return (char *)attr - (char *) buf->buf;
+ return (char *)attr - (char *) buf->buf + BLOB_COOKIE;
}
blobmsg_realloc_string_buffer(struct blob_buf *buf, int maxlen)
{
struct blob_attr *attr = blob_next(buf->head);
- int offset = attr_to_offset(buf, blob_next(buf->head)) + blob_pad_len(attr);
+ int offset = attr_to_offset(buf, blob_next(buf->head)) + blob_pad_len(attr) - BLOB_COOKIE;
int required = maxlen - (buf->buflen - offset);
if (required <= 0)