static void pmcraid_io_done(struct pmcraid_cmd *cmd)
{
	u32 ioasc = le32_to_cpu(cmd->ioa_cb->ioasa.ioasc);
	u32 reslen = le32_to_cpu(cmd->ioa_cb->ioasa.residual_data_length);

	if (_pmcraid_io_done(cmd, reslen, ioasc) == 0)
		pmcraid_return_cmd(cmd);
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.