ckpt_siginfo
struct ckpt_siginfo *csi;
csi = target_reserve(target, sizeof(struct ckpt_siginfo), &error);
csi->csi_ckptpisz = sizeof(struct ckpt_siginfo);
struct ckpt_siginfo *csi;
csi = kmalloc(sizeof(struct ckpt_siginfo), M_TEMP, M_ZERO | M_WAITOK);
if ((error = read_check(fp, csi, sizeof(struct ckpt_siginfo))) != 0)
if (csi->csi_ckptpisz != sizeof(struct ckpt_siginfo)) {